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[ CAS No. 14469-83-1 ] {[proInfo.proName]}

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Chemical Structure| 14469-83-1
Chemical Structure| 14469-83-1
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Product Details of [ 14469-83-1 ]

CAS No. :14469-83-1 MDL No. :MFCD01075177
Formula : C11H15Br Boiling Point : -
Linear Structure Formula :- InChI Key :QICUPOFVENZWSC-UHFFFAOYSA-N
M.W : 227.14 Pubchem ID :285561
Synonyms :

Calculated chemistry of [ 14469-83-1 ]

Physicochemical Properties

Num. heavy atoms : 12
Num. arom. heavy atoms : 6
Fraction Csp3 : 0.45
Num. rotatable bonds : 5
Num. H-bond acceptors : 0.0
Num. H-bond donors : 0.0
Molar Refractivity : 58.51
TPSA : 0.0 Ų

Pharmacokinetics

GI absorption : Low
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : Yes
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -7.07 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.85
Log Po/w (XLOGP3) : 0.86
Log Po/w (WLOGP) : 3.79
Log Po/w (MLOGP) : 4.27
Log Po/w (SILICOS-IT) : 4.21
Consensus Log Po/w : 3.2

Druglikeness

Lipinski : 1.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -1.83
Solubility : 3.36 mg/ml ; 0.0148 mol/l
Class : Very soluble
Log S (Ali) : -0.44
Solubility : 81.8 mg/ml ; 0.36 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -5.28
Solubility : 0.00119 mg/ml ; 0.00000525 mol/l
Class : Moderately soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 1.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 1.9

Safety of [ 14469-83-1 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 14469-83-1 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 14469-83-1 ]

[ 14469-83-1 ] Synthesis Path-Downstream   1~88

  • 1
  • [ 14469-83-1 ]
  • [ 100129-15-5 ]
YieldReaction ConditionsOperation in experiment
With nitric acid at -50℃;
With nitric acid; acetic anhydride; acetic acid for 4h; 11 Synthesis of 2p-2C-NETA, 3p-2C-NETA, and 5p-2C-NETA for Antibody Targeted Radiation Cancer Therapy In this example, 2p-2C-NETA, 3p-2C-NETA, and 5p-2C-NETA were synthesized for use in RIT. The key reaction step for preparation of the bifunctional ligands involves regiospecific ring opening of an azridinium salt that was prepared from bromination of N,N′-dialkylated β amino alcohol prepared starting from Compound 1, 2 or 3. An efficient synthetic route is presented in Scheme 20. The opening of aziridinum cations by the bulky and less nucleophilic bisubstituted TACN 10 occurred at the more substituted methine carbon to provide Compound 7, 8, or 9. t-Butyl groups in 7, 8, or 9 were removed by treatment of 7, 8, or 9 with HCl(g) to provide the desired ligands.
  • 2
  • [ 10521-91-2 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
98% With allyl bromide; 1,1'-carbonyldiimidazole In acetonitrile for 1h; Heating;
97% With carbon tetrabromide; triphenylphosphine In dichloromethane at 20℃;
91% With 2,6-dimethylpyridine; tetraethylammonium bromide; ethanaminium,N-(difluoro-λ4-sulfanylidene)-N-ethyl-,tetrafluoroborate In dichloromethane at 21℃; Inert atmosphere;
89% With phosphorus tribromide at 0 - 60℃;
86% With hydrogen bromide at 0 - 100℃; for 12.5h; 26A Example 26A (5-Bromopentyl)benzene A solution of 416.7 ml (1.83 mol) 48% strength hydrobromic acid is mixed with 50 g (0.304 mol) of 5-phenylpentan-1-ol at 0° C. and stirred at 0° C. for 30 min. The reaction solution is then stirred at 100° C. for 12 hours. After reaction is complete, the mixture is cooled to room temperature and 200 ml of ethyl acetate are added. After extraction, the organic phase is separated off, washed with saturated sodium bicarbonate solution and dried over sodium sulfate. After filtration, the filtrate is is concentrated to dryness. The resulting crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane). 59.4 g (0.26 mol, 86% yield) of a colorless liquid are obtained. 1H-NMR (300 MHz, CDCl3, δ/ppm): 7.32-7.22 (2H, m), 7.21-7.11 (3H, m), 3.40 (2H, t), 2.61 (2H, t), 1.97-1.81 (2H, m), 1.72-1.58 (2H, m), 1.56-1.39 (2H, m). MS (CI): 226 (M+).
86% With hydrogen bromide In water at 0 - 100℃; 18.A Example 18A (5-Bromopentyl)benzene At 0° C., 50 g (0.304 mmol) of 5-phenylpentan-1-ol are added to a solution of 416.7 ml (1.83 mol) of 48% strength hydrobromic acid, and the mixture is stirred at 0° C. for 30 min. The reaction solution is then stirred at 100° C. for 12 hours. After complete conversion, the mixture is cooled to room temperature and 200 ml of ethyl acetate are added. After extraction, the organic phase is separated off, washed with saturated sodium bicarbonate solution and dried over sodium sulfate. After filtration, the filtrate is concentrated to dryness. The crude product obtained is purified by flash chromatography on silica gel (mobile phase: cyclohexane). This gives 59.4 g (0.26 mol, 86% of theory) of a colorless liquid. 1H-NMR (300 MHz, CDCl3, δ/ppm): 7.32-7.22 (2H, m), 7.21-7.11 (3H, m), 3.40 (2H, t), 2.61 (2H, t), 1.97-1.81 (2H, m), 1.72-1.58 (2H, m), 1.56-1.39 (2H, m). MS (CI): 226 [M+].
86% With hydrogen bromide In water at 0 - 10℃; for 12.5h; 1A Example 1A; (5-Bromopentyl)benzene 50 g (0.304 mol) of 5-phenylpentan-1-ol are added to a solution of 416.7 ml (1.83 mol) of 48% strength hydrobromic acid at 0° C., and the mixture is stirred at 0° C. for 30 min. The reaction solution is subsequently stirred at 10° C. for 12 hours. After reaction is complete, the mixture is cooled to room temperature and mixed with 200 ml of ethyl acetate. After extraction, the organic phase is separated off, washed with saturated sodium bicarbonate solution and dried over sodium sulphate. After filtration, the filtrate is evaporated to dryness. The resulting crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane). 59.4 g (0.26 mol, 86% yield) of a colourless liquid are obtained.1H-NMR (300 MHz, CDCl3, δ/ppm): 7.32-7.22 (2H, m), 7.21-7.11 (3H, m), 3.40 (2H, t), 2.61 (2H, t), 1.97-1.81 (2H, m), 1.72-1.58 (2H, m), 1.56-1.39 (2H, m).MS (CI): m/z=226 (M+).
86% With hydrogen bromide In water at 0 - 100℃; for 12.5h; 1A Example 1A(5-Bromopentyl)benzene At 0° C., 50 g (0.304 mol) of 5-phenylpentan-1-ol are added to a solution of 416.7 ml (1.83 mol) of 48% strength hydrobromic acid, and the mixture is stirred at 0° C. for 30 min. The reaction solution is then stirred at 100° C. for 12 hours. After the reaction has gone to completion, the mixture is cooled to room temperature, and 200 ml of ethyl acetate are added. After extraction, the organic phase is separated off, washed with saturated sodium bicarbonate and dried over sodium sulfate. After filtration, the filtrate is evaporated to dryness. The crude product obtained is purified by flash chromatography on silica gel (mobile phase: cyclohexane). This gives 59.4 g (0.26 mol, 86% of theory) of a colorless liquid.1H-NMR (300 MHz, CDCl3, δ/ppm): 7.32-7.22 (2H, m), 7.21-7.11 (3H, m), 3.40 (2H, t), 2.61 (2H, t), 1.97-1.81 (2H, m), 1.72-1.58 (2H, m), 1.56-1.39 (2H, m).MS (CI): m/z=226 (M+).
86% With hydrogen bromide In water at 0 - 100℃; 1.A; 26.A A solution of 416.7 ml (1.83 mol) 48% strength hydrobromic acid is mixed with 50 g (0.304 mol) of 5-phenylpentan-1-ol at 0° C. and stirred at 0° C. for 30 min. The reaction solution is then stirred at 100° C. for 12 hours. After reaction is complete, the mixture is cooled to room temperature and 200 ml of ethyl acetate are added. After extraction, the organic phase is separated off, washed with saturated sodium bicarbonate solution and dried over sodium sulfate. After filtration, the filtrate is is concentrated to dryness. The resulting crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane). 59.4 g (0.26 mol, 86% of theory) of a colorless liquid are obtained.1H-NMR (300 MHz, CDCl3, δ/ppm): 7.32-7.22 (2H, m), 7.21-7.11 (3H, m), 3.40 (2H, t), 2.61 (2H, t), 1.97-1.81 (2H, m), 1.72-1.58 (2H, m), 1.56-1.39 (2H, m).MS (CI): 226 (M+).
70% With carbon tetrabromide; triphenylphosphine In dichloromethane for 0.5h;
66% With phosphorus tribromide
62% With phosphorus tribromide at 100℃; for 1.5h;
56% With pyridine; phosphorus tribromide In benzene at 25℃; for 21h;
49% With phosphorus tribromide In diethyl ether at 20℃; for 24h;
40% With phosphorus tribromide In diethyl ether for 6h; Heating;
With hydrogen bromide
With phosphorus; sulfuric acid; hydrogen bromide
With phosphorus tribromide
With sulfurous dibromide; chloroform
With hydrogen bromide
With sulfuric acid; hydrogen bromide
With sulfuric acid; hydrogen bromide at 115℃; for 4h;
With phosphorus tribromide
With N-Bromosuccinimide; triphenylphosphine In dichloromethane at 0 - 20℃; for 0.416667h;
With carbon tetrabromide; triphenylphosphine In dichloromethane
With carbon tetrabromide; triphenylphosphine In dichloromethane
With phosphorus tribromide In chloroform 9.a (a) (a) Synthesis of 5-phenylpentyl bromide A 1.8 g (6.7 mmol) amount of phosphorus tribromide was added to a chloroform solution (20 ml) of 3.3 g (20 mmol) of 5-phenyl-1-pentanol and the resulting solution was heated at reflux for 4 hours. When the reaction was traced by TLC, the starting materials were found to still remain in the reaction mixture, and so 0.2 g of phosphorus tribromide was further added and heated at reflux. Afterwards, the reaction solution was washed with water and dried with anhydrous magnesium sulfate, and then the solvent was evaporated under reduced pressure. Thus, 4.30 g of a crude 5-phenylpentyl bromide was obtained.
With hydrogen bromide R.12 REFERENCE EXAMPLE 12 STR42 REFERENCE EXAMPLE 12 STR42 A mixture of 20 g of 5-phenylpentan-1-ol and 30 ml of 47% hydrobromic acid was refluxed for 6 hours. The reaction mixture was cooled and extracted with n-hexane The extract was washed with water, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent:n-hexane-ethyl acetate=100:1) to give 16.87 g of 1-bromo-5-phenylpentane. NMR (CDCl3) δ: 1.28~2.03 (6H, m), 2.63 (2H, t), 3.42 (2H, t), 7.08~7.40 (5H, m) MS: m/z 228 (M+ +1)
With sulfuric acid; hydrogen bromide In water
With phosphorus tribromide; sodium hydrogencarbonate In 1,4-dioxane; n-heptane; water; ethyl acetate 56.1 Step 1 Step 1 1-Bromo-5-phenylpentane Phosphorus tribromide (4.7 ml, 49.8 mmol) was added dropwise to a solution of 5-phenylpentan-1-ol (3 ml, 17.8 mmol) in dioxane (70 ml). The reaction mixture was stirred for 2 hours at room temperature. Another portion of phosphorus tribromide (4.7 m. 49.8 mmol) was added. The reaction mixture was stirred for 16 h at room temprature. It was cooled to 0° C. Water (60 ml) was added dropwise. The reaction mixture was diluted with ethyl acetate (100 ml). The phases were separated. The aqueous phase was extracted with ethyl acetate (2*100 ml). The combined organic layers were washed with a saturated aqueous solution of sodium hydrogencarbonate (200 ml) and dried over magnesium sulfate. The solvent was removed in vacuo. The crude product was purified by flash chromatography on silica (50 g), using ethyl acetate/heptane (1:10) as eluent, to give 1.35 g of 1-bromo-5-phenylpentane. 1H-NMR (CDCl3): δ 1.50 (m, 2 H); 1.70 (m, 2 H); 1.90 (m, 2 H); 2.60 (m, 2 H); 3.40 (m, 2 H); 7.10 (m, 3 H); 7.30 (m, 2 H).
With sulfuric acid; hydrogen bromide In water
With N-Bromosuccinimide; triphenylphosphine In dichloromethane 11 Synthesis of 2p-2C-NETA, 3p-2C-NETA, and 5p-2C-NETA for Antibody Targeted Radiation Cancer Therapy In this example, 2p-2C-NETA, 3p-2C-NETA, and 5p-2C-NETA were synthesized for use in RIT. The key reaction step for preparation of the bifunctional ligands involves regiospecific ring opening of an azridinium salt that was prepared from bromination of N,N′-dialkylated β amino alcohol prepared starting from Compound 1, 2 or 3. An efficient synthetic route is presented in Scheme 20. The opening of aziridinum cations by the bulky and less nucleophilic bisubstituted TACN 10 occurred at the more substituted methine carbon to provide Compound 7, 8, or 9. t-Butyl groups in 7, 8, or 9 were removed by treatment of 7, 8, or 9 with HCl(g) to provide the desired ligands.
8.99 g With carbon tetrabromide; triphenylphosphine In acetonitrile at 20℃; for 2h;

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[10]Mori, Mattia; Vignaroli, Giulia; Cau, Ylenia; Dinic̈, Jelena; Hill, Richard; Rossi, Matteo; Colecchia, David; Pešic̈, Milica; Link, Wolfgang; Chiariello, Mario; Ottmann, Christian; Botta, Maurizio [ChemMedChem, 2014, vol. 9, # 5, p. 973 - 983]
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  • 3
  • [ 14469-83-1 ]
  • [ 106-95-6 ]
  • [ 35008-87-8 ]
YieldReaction ConditionsOperation in experiment
80% Stage #1: (5-bromopentyl)benzene With magnesium In tetrahydrofuran at 25℃; for 2h; Inert atmosphere; Stage #2: With [2,2]bipyridinyl; copper(l) iodide In tetrahydrofuran at 0℃; for 0.25h; Inert atmosphere; Stage #3: allyl bromide In tetrahydrofuran at 25℃; Inert atmosphere;
(i) Mg, Et2O, (ii) /BRN= 605308/; Multistep reaction;
  • 4
  • [ 14469-83-1 ]
  • [ 67686-01-5 ]
  • 1-Benzyl-4-(5-phenyl-pentyloxymethyl)-piperidine [ No CAS ]
  • 6
  • [ 14469-83-1 ]
  • [ 81631-41-6 ]
YieldReaction ConditionsOperation in experiment
83% With lithium In diethyl ether at -30℃; <D10>Et2O;
  • 7
  • [ 14469-83-1 ]
  • [ 94-09-7 ]
  • [ 61439-74-5 ]
YieldReaction ConditionsOperation in experiment
66% In N,N,N,N,N,N-hexamethylphosphoric triamide at 125℃; for 24h;
  • 8
  • [ 524-38-9 ]
  • [ 14469-83-1 ]
  • 2-(5-Phenyl-pentyloxy)-isoindole-1,3-dione [ No CAS ]
YieldReaction ConditionsOperation in experiment
87% With sodium hydride In N,N-dimethyl-formamide at 70℃; for 3h;
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 60℃; for 2h; Inert atmosphere;
  • 9
  • [ 14469-83-1 ]
  • [ 5418-86-0 ]
  • [ 183592-72-5 ]
YieldReaction ConditionsOperation in experiment
98% With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h;
  • 10
  • [ 14469-83-1 ]
  • [ 98-88-4 ]
  • [ 213267-08-4 ]
YieldReaction ConditionsOperation in experiment
87% With aluminium trichloride In dichloromethane at 0℃; for 22.5h;
  • 11
  • [ 14469-83-1 ]
  • [ 99-76-3 ]
  • [ 158771-44-9 ]
YieldReaction ConditionsOperation in experiment
47% With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 100℃; for 8h;
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 100℃; for 24h;
  • 12
  • [ 14469-83-1 ]
  • [ 170147-91-8 ]
  • [ 170147-60-1 ]
YieldReaction ConditionsOperation in experiment
62% Stage #1: 3-chloro-4-(1H-indol-5-yloxy)benzonitrile With potassium hydroxide In dimethyl sulfoxide at 20℃; for 0.666667h; Stage #2: (5-bromopentyl)benzene In dimethyl sulfoxide at 20℃; for 2h;
  • 13
  • [ 110-89-4 ]
  • [ 14469-83-1 ]
  • [ 146403-57-8 ]
YieldReaction ConditionsOperation in experiment
74% With potassium carbonate; potassium iodide In 1,2-dimethoxyethane for 12h; Heating;
  • 14
  • [ 14469-83-1 ]
  • 4-(5-Bromopentyl)benzenesulfonyl chloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With chlorosulfonic acid In chloroform at 20℃; for 16h;
  • 15
  • [ 14469-83-1 ]
  • [ 484689-19-2 ]
YieldReaction ConditionsOperation in experiment
39% Stage #1: (5-bromopentyl)benzene With magnesium In diethyl ether for 4h; Heating; Stage #2: With cadmium(II) chloride at 0℃; for 2h; Stage #3: With phosphorus trichloride In diethyl ether at 20℃; for 2.5h;
Stage #1: (5-bromopentyl)benzene With magnesium Stage #2: With cadmium(II) chloride Stage #3: With phosphorus trichloride at -80℃;
  • 16
  • [ 14469-83-1 ]
  • cis-2-cycloheptyl-4-(3-hydroxy-4-methoxyphenyl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one [ No CAS ]
  • cis-2-cycloheptyl-4-[4-methoxy-3-(5-phenylpentyloxy)phenyl]-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
72% With potassium carbonate In 1-methyl-pyrrolidin-2-one at 60℃; for 5h;
  • 17
  • [ 14469-83-1 ]
  • [ 538-68-1 ]
YieldReaction ConditionsOperation in experiment
80% With sodium cyanoborohydride In various solvent(s) at 80℃; for 1h;
78% With sodium tetrahydroborate In 1-methyl-pyrrolidin-2-one at 20℃; for 3h;
  • 18
  • [ 3973-62-4 ]
  • [ 14469-83-1 ]
  • 1-(5-Phenylpentyl)-3-phenylpiperidine [ No CAS ]
  • 19
  • [ 13603-25-3 ]
  • [ 14469-83-1 ]
  • 1-(5-Phenylpentyl)-3-benzylpiperidine [ No CAS ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate; potassium iodide In 1,2-dimethoxyethane Heating;
  • 20
  • [ 14469-83-1 ]
  • [ 22583-90-0 ]
  • N-(5-phenylpentyl)-N-methyl-2-aminotetraline [ No CAS ]
YieldReaction ConditionsOperation in experiment
74% With potassium carbonate In 1,2-dimethoxyethane for 5h; Heating;
  • 21
  • [ 14469-83-1 ]
  • [ 245-08-9 ]
  • 1-(5-phenyl-pentyl)-5<i>H</i>-pyrido[3,2-<i>b</i>]indol-1-ium; bromide [ No CAS ]
  • 22
  • [ 14469-83-1 ]
  • [ 283-24-9 ]
  • 3-(5-phenylpentyl)-3-azabicyclo[3.2.2]nonane hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
97% With potassium carbonate; potassium iodide In 1,2-dimethoxyethane for 5h; Heating;
  • 23
  • [ 14469-83-1 ]
  • [ 4294-57-9 ]
  • [ 613-33-2 ]
  • [ 538-68-1 ]
  • [ 1075-74-7 ]
  • [ 38425-25-1 ]
  • 24
  • [ 14469-83-1 ]
  • [ 540-37-4 ]
  • 4-(5-phenyl-pentylsulfanyl)-phenylamine [ No CAS ]
YieldReaction ConditionsOperation in experiment
84% Stage #1: p-aminoiodobenzene With tert.-butyl lithium; isopropylmagnesium chloride In tetrahydrofuran; diethyl ether; pentane at -78℃; for 0.5h; Stage #2: With sulfur In tetrahydrofuran; diethyl ether; pentane at -78 - 20℃; for 0.5h; Stage #3: (5-bromopentyl)benzene In tetrahydrofuran; diethyl ether; pentane at 0 - 20℃;
  • 25
  • [ 14469-83-1 ]
  • [ 496-69-5 ]
  • 2-(5-phenylpentylthio)-4-fluorophenol [ No CAS ]
YieldReaction ConditionsOperation in experiment
83% Stage #1: 2-bromo-4-fluoro-phenol With tert.-butyl lithium; isopropylmagnesium chloride In tetrahydrofuran; pentane at -78℃; for 0.5h; Stage #2: (5-bromopentyl)benzene With sulfur at -78 - 20℃;
  • 26
  • [ 14469-83-1 ]
  • [ 39512-49-7 ]
  • VUF 5752 [ No CAS ]
YieldReaction ConditionsOperation in experiment
77% With sodium carbonate; sodium iodide In acetonitrile Heating;
  • 27
  • [ 14469-83-1 ]
  • [ 554-84-7 ]
  • [ 1007863-89-9 ]
YieldReaction ConditionsOperation in experiment
85% With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 90℃; for 4h; 1 Potassium carbonate (1.2 g, 8.7 mmol) was added to a stirred suspension of 3- nitrophenoi (0,8 g, 5,8 mmoi), (S-bτomo-perityi)-benzene ( . .32 g, 5.8 mmoi), and potassium iodide (0.96 g, 5.8 mmol) in λ'-methylpyroiidiiione (I S mL). The mixture was stirred at 9ffC for 4 hours. After the reaction mixture was cooled to the room temperature, if was quenched with wafer (30 mL) followed by extraction with ethyl acetate (30 mL. x 3). The organic layers were combined, washed with brine, and concentrated under vacuum. The residue thus obtained was subjected to column chromatography on silica gel to give i~nitro-3-(5~pheoylpentoxy)benzeoe ( 1.4 g, 4.93 mmol, yield: 85%) as colotiess oil.Tin (Ii) chloride (5.57 g. 24.7 mmol) was added to a solution of i -nitro-3-(5- pheny]peoio.y)benzene (1.4 g, 4.93 minof) in 35 ml. ethane] . The reaction mixture was stirred at 7011C tor 2 hours. After the reaction mixture was cooled to room temperature, a saturated sodium bicarbonate aqueous solution { 50 mL) was added. The resultant mixture was extracted with ethyl acetate (2 x 50 ml..}. The combined organic phases were washed with brine, dried over anhydrous MgSOj, and concentrated to give a crude product as a white solid. The crude product was purified by silica gel column chromatography euting with ethyl acetate-w-hexarte to give 3-(5- phetiyl-penryloxy j-pherryiaroine ( 1.03 g, 4.04 mmoi, yield: 82%) as a white solid,A solution of 3~(5-phenyl-pentyloxy)-phenyIamine (200 mg, ,02 mmol) and thiocarbonyi diimidazole (TCDl, 190 mg, 1.06 mmol) in diehiororøethane ( 10 nil.) was stirred at room temperature for 2 hours. After a 25% aqueous ammonia solution (2.0 mL. excess) was added, the reaction mixture was stirred at room temperature overnight. The solvent was removed and ihen the residue thus obtained was purified by silica gel column chromatography eiining with methanoi-dichioromethane to give j3-(5-phenyi-pentyloxy)-pbenjfl]-thfoui"ea (compound 1) (273 mg, 0.8? mmol, yield: 85 %) as a white solid. Ei-MS (VI-H ); 315.
With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 90℃; for 3h;
  • 28
  • [ 14469-83-1 ]
  • [ 68621-88-5 ]
  • [ 1007864-12-1 ]
YieldReaction ConditionsOperation in experiment
78% With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 90℃; for 4h; 15 (BOCfeO (K)J g. 46.3 rniiiftl) was added to a solution of benzene- i ,3-diamjne (5,0 g, 46,3 rømoi) in dichlorornethane (SO mL}, The reaction mixture was stirred at room temperature for 60 hours. The reaction mixture was quenched with water (30 mL). followed by extraction with ethyl acetate (30 mi... x 3). The organic layers were combined, washed with brine, and concentrated under vacuum. The residue thus obtained was subjected to column chromatography on silica gel to give (3-amino- phenyl)-carbamic acid tat-hυtyi ester (4.34 g, 20.8 mniol, yield: 45%) as a white solid. Potassium carbonate (0.6 g 4,35 mmo) was added to a stirred suspension of(3-ammo-phenylj-carbamie acid tert-butyi ester (0.6 g. 2.9 mmol), (5-brotno-pentyl)- benzene (0.66 g, 2.9 mmol), and potassium iodide (0.48 g, 2.9 nimαi) in N- methylpyrolidiϖotie ( 14 mL). The reaction mixture was stirred at 9O0C tor 4 hours. It was quenched with water (30 mL), followed by extraction with ethyl acetate (30 mL x 3). The organic layers were combined, washed with brine, and concentrated under vacuum. The residue thus obtained was subjected to column chromatography on silica gel to give [3-(5-phenyi-penty.amino)-phenyi]-carbamic acid tert-bυtyl ester < 802 nig, 2.26 mmol, yield: 78%) as yellow oil.Trifluoroaeetic acid (TFA, 2.0 mL. 263 mmol) was added to a solution of [3- ('5-pherjy.-penr.y1fimsno)-phenyl]-cfirbamic acid tert-butyi ester {802 rag, 2.26 mrao.) in 10 rat dichloromethane. The reaction mixture was stirred at room temperature for hour. It was then quenched with water (30 mL). followed by extraction with ethyl acetate (30 mL x 3 ). The organic layers were combined, washed with brine, and concentrated under vacuum. The residue thus obtained was subjected to column chromatography on silica gei ks give N -(5-phe«yi-pentyI )- benzene- 1,3- dianiine (529 mg. 2.08 mmol, yield: 92%) as light yellow solid.5 A soiuon of N-(5-pheiiy1-penιyi}-benzene-K3-diami)ie (89 ing, 0.4 mmol) and thiocarbonyl diimidazoie (TCDl, 74 mg. 0,42 mmot) in dichloroniethane (4 ml.) was stirred at room temperature for 2 hours. After a 25% aqueous ammonia solution (2.0 nil.., excess} was added, the reaction mixture was stirred at room temperature overnight. The solvent was then removed and the residue thus obtained was purified 10 by silica gel column chromatography dating with mcthanoi-dichloromethane to give |3-(5-phenyi-peotylamiiioVphenyi]-{.hioιsre3 (compound 37.) ( 5 13 mg. 036 mmol, yield: 90%; as a white solid
  • 29
  • 5-phenyl-4-pentenoic acid [ No CAS ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: diethyl ether; methanol 2: DIBAL-H / CH2Cl2 / 0.5 h / 0 °C 3: H2 / PtO2 / methanol / 2585.7 Torr 4: NBS, Ph3P / CH2Cl2 / 0.42 h / 0 - 20 °C
  • 30
  • [ 37464-85-0 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: DIBAL-H / CH2Cl2 / 0.5 h / 0 °C 2: H2 / PtO2 / methanol / 2585.7 Torr 3: NBS, Ph3P / CH2Cl2 / 0.42 h / 0 - 20 °C
  • 31
  • 5-phenyl-4-penten-1-ol [ No CAS ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: H2 / PtO2 / methanol / 2585.7 Torr 2: NBS, Ph3P / CH2Cl2 / 0.42 h / 0 - 20 °C
  • 32
  • [ 100-52-7 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: 1.) NaCH2SOCH3 / 1.) DMSO, RT, 30 min, 2.) DMSO, RT, 1 h 2: diethyl ether; methanol 3: DIBAL-H / CH2Cl2 / 0.5 h / 0 °C 4: H2 / PtO2 / methanol / 2585.7 Torr 5: NBS, Ph3P / CH2Cl2 / 0.42 h / 0 - 20 °C
  • 33
  • [ 14469-83-1 ]
  • [ 167113-43-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: 1.) EtONa / 1.) ethanol, 50 deg C, 1 h, 2.) ethanol, reflux, overnight 2: 98.2 percent / aq. KOH / ethanol / 3 h / Ambient temperature 3: 100 percent / dioxane / Heating 4: 95.1 percent / aq. KOH / ethanol / 1.5 h / Ambient temperature 5: 90.7 percent / CoCl2 / H2O / 72 h / 37 °C / pH 7.6, acylase
  • 34
  • [ 14469-83-1 ]
  • L-2-(Boc-amino)-7-phenylheptanoic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 6 steps 1: 1.) EtONa / 1.) ethanol, 50 deg C, 1 h, 2.) ethanol, reflux, overnight 2: 98.2 percent / aq. KOH / ethanol / 3 h / Ambient temperature 3: 100 percent / dioxane / Heating 4: 95.1 percent / aq. KOH / ethanol / 1.5 h / Ambient temperature 5: 90.7 percent / CoCl2 / H2O / 72 h / 37 °C / pH 7.6, acylase 6: 100 percent / 2 N aq. NaOH / dioxane / Ambient temperature
  • 35
  • [ 14469-83-1 ]
  • [ 120755-16-0 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 1.) Mg / 1.) THF, 2.) 0 deg C, THF 2: tetrahydrofuran / Ambient temperature 3: 65 percent / O2 / Rose Bengal / tetrahydrofuran / 4 h / -78 °C / Irradiation
Multi-step reaction with 4 steps 1: 1.) Mg / 1.) THF, 2.) 0 deg C, THF 2: tetrahydrofuran / Ambient temperature 3: 20 percent / O2 / Rose Bengal / tetrahydrofuran / 4 h / -78 °C / Irradiation 4: dilute acid / Ambient temperature
  • 36
  • [ 14469-83-1 ]
  • [ 136618-22-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 1.) Mg / 1.) THF, 2.) 0 deg C, THF 2: tetrahydrofuran / Ambient temperature 3: 20 percent / O2 / Rose Bengal / tetrahydrofuran / 4 h / -78 °C / Irradiation
  • 37
  • [ 14469-83-1 ]
  • [ 329774-47-2 ]
  • [ 329774-48-3 ]
YieldReaction ConditionsOperation in experiment
88.8% With potassium carbonate In acetonitrile for 18h; Heating / reflux;
  • 38
  • [ 14469-83-1 ]
  • 4,5,6,7-tetrahydrofuro[2,3-c]pyridine hydrochloride [ No CAS ]
  • [ 147188-32-7 ]
  • 5-phenylpentylmagnesium bromide [ No CAS ]
  • 6-(5-phenylpentylsulfonyl)-4,5,6,7-tetrahydrofuro[2,3-c]pyridine [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sulfuryl dichloride; magnesium; triethylamine In diethyl ether; dichloromethane 52.a a) a) Synthesis of 6-(5-phenylpentylsulfonyl)-4,5,6,7-tetrahydrofuro[2,3-c]pyridine To a solution of 0.236 g (1.479 mmol) of 4,5,6,7-tetrahydrofuro[2,3-c]pyridine hydrochloride and 0.82 ml (5.9 mmol) of triethylamine in 30 ml of dichloromethane, a solution of 0.73 g of crude 5-phenylpentylsulfonyl chloride (obtained by adding dropwise a diethyl ether solution of 5-phenylpentylmagnesium bromide, prepared from 5.860 g (25.80 mmol) of 1-bromo-5-phenylpentane and 0.94 g (38.7 mmol) of magnesium in 150 ml of diethyl ether, to a solution of 5.15 ml (51.6 mmol) of sulfuryl chloride in 50 ml of diethyl ether under ice-cooling, followed by stirring under ice-cooling for 3 hours, filtering and washing with diethyl ether the resulting precipitate, and evaporating the combined filtrate under reduced pressure) in 10 ml of dichloromethane was added dropwise under ice-cooling, followed by stirring under ice-cooling for 1 hour. The reaction mixture was poured into aqueous sodium hydrogen carbonate and extracted with dichloromethane 3 times. The combined organic layer was dried over anhydrous magnesium sulfate; the solvent was distilled off under reduced pressure. The resulting crude product was purified by silica gel flush column chromatography (hexane/ethyl acetate=6/1) to yield the desired product. Yellow oil Yield 0.181 g (37%) 1 H-NMR (CDCl3, 200 MHz) δ1.355-1.495 (2H, m), 1.564 (2H, m), 1.742-1.896 (2H, m), 2.564-2.638 (4H, m), 2.889-2.967 (2H, m), 3.542 (2H, t, J=5.7 Hz), 4.365 (2H, s), 6.260 (1H, d, 1.8 Hz), 7.127-7.310 (6H, m); IR (neat) 2933, 2856, 1335, 1151, 1005, 910, 737, 700 cm-1
  • 39
  • [ 14469-83-1 ]
  • 4,5,6,7-tetrahydrofuro[3,2-c]pyridine hydrochloride [ No CAS ]
  • [ 147188-32-7 ]
  • 5-phenylpentylmagnesium bromide [ No CAS ]
  • [ 179060-95-8 ]
YieldReaction ConditionsOperation in experiment
With sulfuryl dichloride; magnesium; triethylamine In diethyl ether; dichloromethane 53.a a) a) Synthesis of 5-(5-phenylpentylsulfonyl)-4,5,6,7-tetrahydrofuro[3,2-c]pyridine To a solution of 0.298 g (1.867 mmol) of 4,5,6,7-tetrahydrofuro[3,2-c]pyridine hydrochloride and 1.30 ml (9.34 mmol) of triethylamine in 30 ml of dichloromethane, a solution of 1.38 g of crude 5-phenylpentylsulfonyl chloride (obtained by adding dropwise a diethyl ether solution of 5-phenylpentylmagnesium bromide, prepared from 5.860 g (25.80 mmol) of 1-bromo-5-phenylpentane and 0.94 g (38.7 mmol) of magnesium in 150 ml of diethyl ether, to a solution of 5.15 ml (51.6 mmol) of sulfuryl chloride in 50 ml of diethyl ether under ice-cooling, followed by stirring under ice-cooling for 3 hours, filtering and washing with diethyl ether the resulting precipitate, and evaporating the combined filtrate under reduced pressure) in 10 ml of dichloromethane was added dropwise under ice-cooling, followed by stirring under ice-cooling for 1 hour. The reaction mixture was poured into aqueous sodium hydrogen carbonate and extracted with dichloromethane 3 times. The combined organic layer was dried over anhydrous magnesium sulfate; the solvent was distilled off under reduced pressure. The resulting crude product was purified by silica gel flush column chromatography (hexane/ethyl acetate=6/1) to yield the desired product. Orange oil Yield 0.335 g (54%) 1 H-NMR (CDCl3, 200 MHz) δ1.348-1.487 (2H, m), 1.559-1.705 (2H, m), 1.736-1.892 (2H, m), 2.599 (2H, t, J=7.3 Hz), 2.768 (2H, t, J=5.7 Hz), 2.874-2.953 (2H, m), 3.629 (2H, t, J=5.9 Hz), 4.270 (2H, t, J=1.8 Hz), 6.225 (1H, d, J=2.0 Hz), 7.127-7.362 (6H, m); IR (neat) 2935, 2858, 1336, 1142, 1003, 893, 737, 702 cm-1
  • 40
  • [ 79-43-6 ]
  • NaOH powder [ No CAS ]
  • [ 14469-83-1 ]
  • Li2 CuCl4 [ No CAS ]
  • [ 178670-96-7 ]
YieldReaction ConditionsOperation in experiment
With magnesium In tetrahydrofuran; dibromo-1,1 octane 42 1-Bromo-13-phenyl-tridecane (93) 4.9 g (51%) 93 was obtained analogously to the preparation of 67 (example 15) as a colourless oil of melting point 158-159° C./0.15 mbar after distillation in a high vacuum from 7.48 g (27.5 mmol) dibromooctane, 7.27 g (32.1 mmol) 1-bromo-5-phenylpentane, 0.85 g (35 mmol) magnesium and 5 ml (0.5 mmol) Li2 CuCl4 (0.1 M in THF). 1.3 g (67%) 42 was obtained with a melting point of 52-53° C. from 1.7 g (5 mmol) 93 and 2.58 g (20 mmol) dichloroacetic acid as in example 9. The sodium salt was prepared from 0.8 g (2.1 mmol) 42 using 84 mg (2.1 mmol) NaOH powder. 0.7 g melting point 170° C. (decomp.)
  • 41
  • [ 14469-83-1 ]
  • [ 25519-78-2 ]
  • 4-(4-fluorobenzoyl)-1-(5-phenylpentyl)piperidine [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sodium carbonate; In water; (b) Synthesis of 4-(4-fluorobenzoyl)-1-(5-phenylpentyl)piperidine Fifty ml of isopropyl alcohol and 2.26 g of the crude 5-phenylpentyl bromide were added to a mixture comprising 2.4 g (9.9 mmol) of <strong>[25519-78-2]4-(4-fluorobenzoyl)piperidine hydrochloride</strong> and 2.1 g (19.8 mmol) of anhydrous sodium carbonate, and the resulting mixture was heated under reflux. The reaction was continued overnight and then the heating was stopped. The reaction mixture was concentrated under reduced pressure, and water was added thereto. This was extracted with chloroform. The resulting extract was dried with anhydrous magnesium sulfate and then the solvent was evaporated under reduced pressure. The crude product thus obtained was purified by silica gel column chromatography to obtain the above-entitled compound. Yield: 2.18 g, 62%. TLC (CHCl3:MeOH=9:1). Rf =0.41. MS (FD, m/z) 353 (M+).
  • 42
  • [ 14469-83-1 ]
  • [ 105-53-3 ]
  • [ 78573-53-2 ]
  • [ 78573-51-0 ]
YieldReaction ConditionsOperation in experiment
With sodium In ethanol 10.d (d) (d) 5-Phenylpentylmalonic acid diethyl ester 66.8 g of 5-phenylpentylmalonic acid diethyl ester are obtained as an oil (b.p. 142° to 148° C. under 0.02 mm Hg) from 80.8 g of 1-bromo-5-phenylpentane, 64.1 g of malonic acid diethyl ester and a solution of 8.2 g of sodium in 400 ml of ethanol by the procedure described in Example 5d.
  • 43
  • [ 74891-64-8 ]
  • [ 14469-83-1 ]
  • 2-Hydroxy-4-(5-phenylpentylthio)-3-propylacetophenone [ No CAS ]
YieldReaction ConditionsOperation in experiment
With potassium iodide; potassium carbonate In <i>N</i>-methyl-acetamide; Petroleum ether 8.a (a) (a) 2-Hydroxy-4-(5-phenylpentylthio)-3-propylacetophenone A mixture of 5-bromopentylbenzene (1.93 g), 2-hydroxy-4-mercapto-3-propylacetophenone (1.78 g), potassium carbonate (1.28 g), and potassium iodide (0.1 g) in dry dimethylformamide (60 ml) under nitrogen was heated at 60° for 20 hr. The mixture was partitioned between ethyl acetate and dilute hydrochloric acid. The organic phase was washed with water, dried and evaporated to an oil which was chromatographed on silica with a mixture of petroleum ether (bp 40°-60°) and ether (9:1) to give the sub-title compound (1.85 g), mp 82°-83°.
  • 44
  • [ 14469-83-1 ]
  • [ 1092980-29-4 ]
  • [ 1092980-47-6 ]
YieldReaction ConditionsOperation in experiment
35.9% With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h;
  • 45
  • [ 14469-83-1 ]
  • [ 1092980-35-2 ]
  • [ 1092980-59-0 ]
YieldReaction ConditionsOperation in experiment
40.7% With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h;
  • 46
  • [ 14469-83-1 ]
  • [ 7726-45-6 ]
YieldReaction ConditionsOperation in experiment
76% Stage #1: (5-bromopentyl)benzene With ammonia In water at 60℃; for 24h; Stage #2: With ammonia; iodine In water at 60℃; for 4h;
76% Stage #1: (5-bromopentyl)benzene With ammonia In water at 60℃; for 24h; Stage #2: With ammonia; iodine In water at 60℃; for 4h;
  • 47
  • [ 14469-83-1 ]
  • [ 1149336-58-2 ]
  • [ 1149336-77-5 ]
YieldReaction ConditionsOperation in experiment
46% With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 24h;
  • 48
  • [ 14469-83-1 ]
  • [ 90-01-7 ]
  • [ 135055-19-5 ]
YieldReaction ConditionsOperation in experiment
81% With potassium carbonate In acetonitrile for 12h; Reflux; 27A Example 27A [2-(5-Phenylpentyloxy)phenyl]methanol A solution of 10 g (80.56 mmol) of 2-hydroxybenzyl alcohol in 200 ml of dry acetonitrile is mixed with 27.45 g (120.83 mmol) of (5-bromopentyl)benzene from Example 26A and 12.25 g (88.61 mmol) of anhydrous potassium carbonate and heated under reflux for 12 hours. The mixture is then concentrated to dryness. The residue is taken up in ethyl acetate, washed with water and saturated sodium chloride solution and dried over sodium sulfate. The resulting organic phase is concentrated. The crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 10:1). 18.7 g (81% yield) of a colorless solid are obtained. 1H-NMR (300 MHz, DMSO-d6, o/ppm): 7.38 (1H, d), 7.31-7.10 (6H, m), 6.91 (2H, t), 4.92 (1H, t), 4.50 (2H, d), 3.95 (2H, t), 2.59 (2H, t), 1.81-1.68 (2H, m), 1.67-1.55 (2H, m), 1.52-1.36 (2H, m). MS (CI): 288 (M+NH4+), 270 (M+).
81% With potassium carbonate In acetonitrile for 12h; Reflux; 21.A A solution of 10 g (80.56 mmol) of 2-hydroxybenzyl alcohol in 200 ml of dry acetonitrile is mixed with 27.45 g (120.83 mmol) of (5-bromopentyl)benzene and 12.25 g (88.61 mmol) of anhydrous potassium carbonate and heated under reflux for 12 hours. The mixture is then concentrated to dryness. The residue is taken up in ethyl acetate, washed with water and saturated sodium chloride solution and dried over sodium sulfate. The organic phase is concentrated. The resulting crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 10:1). 18.7 g (81% of theory) of a colorless solid are obtained.1H-NMR (300 MHz, DMSO-d6, δ/ppm): 7.38 (1H, d), 7.31-7.10 (6H, m), 6.91 (2H, t), 4.92 (1H, t), 4.50 (2H, d), 3.95 (2H, t), 2.59 (2H, t), 1.81-1.68 (2H, m), 1.67-1.55 (2H, m), 1.52-1.36 (2H, m).MS (CI): 288 (M+NH4+), 270 (M+).
  • 49
  • [ 14469-83-1 ]
  • [ 934753-52-3 ]
  • [ 935253-38-6 ]
YieldReaction ConditionsOperation in experiment
73.4% With potassium carbonate In acetonitrile Reflux; 62.A A solution of 127 mg (0.32 mmol) of ethyl (7E)-6-[2-(4-cyanophenyl)ethyl]-8-(2-hydroxyphenyl)oct-7-enoate in 10 ml of acetonitrile is mixed with 88.42 mg (0.39 mmol) of (5-bromopentyl)benzene and 67.25 mg (0.49 mmol) of potassium carbonate and stirred under reflux for 12 hours. After cooling, the mixture is concentrated. The residue is taken up in ethyl acetate and extracted with water. The organic phase is washed with saturated sodium chloride solution, dried over sodium sulfate and concentrated. The resulting residue is purified by preparative HPLC. 128 mg (0.24 mmol, 73.4% of theory) of the title compound are obtained.LC-MS (method 2): Rt=3.42 min.MS (ESIpos): m/z=538 (M+H)+.
  • 50
  • [ 14469-83-1 ]
  • [ 934738-20-2 ]
  • [ 935253-30-8 ]
YieldReaction ConditionsOperation in experiment
72.6% With potassium carbonate In acetonitrile Reflux; 31.A A solution of 300 mg (0.73 mmol) of methyl 4-[(4E)-3-(4-cyanobenzyl)-5-(2-hydroxyphenyl)pent-4-en-1-yl)benzoate in 30 ml of dry acetonitrile is mixed with 198.72 mg (0.87 mmol) of (5-bromopentyl)benzene and 151 mg (1.09 mmol) of anhydrous potassium carbonate and heated under reflux for 12 h. The mixture is then concentrated to dryness. The residue is taken up in ethyl acetate, washed with water and saturated sodium chloride solution and dried over sodium sulfate. The organic phase is concentrated. The resulting crude product is purified by flash chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 7:3). 295 mg (0.53 mmol, 72.6% of theory) of an oil are obtained.1H-NMR (400 MHz, DMSO-d6, δ/ppm): 7.83 (2H, d), 7.71 (2H, d), 7.4-7.33 (2H, m), 7.29 (2H, d), 7.27-7.21 (2H, m), 7.2-7.1 (5H, m), 6.95-6.83 (2H, m), 6.44-6.35 (1H, m), 6.11-6.03 (1H, m), 3.95-3.83 (2H, m), 3.79 (3H, s), 2.91-2.79 (1H, m), 2.79-2.57 (3H, m), 2.57-2.39 (4H, m), 1.84-1.73 (1H, m), 1.72-1.5 (6H, m).LC-MS (method 1): Rt=3.57 min.MS (ESIpos): m/z=558 (M+H)+.
  • 51
  • [ 14469-83-1 ]
  • [ 502-85-2 ]
  • [ 1192596-44-3 ]
YieldReaction ConditionsOperation in experiment
3% Stage #1: sodium 4-hydroxybutanoate With sodium hydride In N,N-dimethyl-formamide; mineral oil at 60℃; for 1h; Stage #2: (5-bromopentyl)benzene In N,N-dimethyl-formamide; mineral oil for 504h; 52.1 Example 52; (R)-4-Dimethylamino-3-[4-(5-phenyl-pentyloxy)-butyrylamino]-butyric acid; Step 1: Sodium hydride (60% dispersion in mineral oil, 228 mg, 5.7 mmol) was added to a solution of sodium 4-hydroxybutyrate (600 mg, 4.76 mmol) in N,N-dimethylformamide (5 mL). The reaction was heated at 60° C. for 1 h, then (5-bromopentyl)-benzene (1.15 g, 5.08 mmol) was added, then after 3 weeks 1 M aq. hydrochloric acid solution was added and the reaction mixture evaporated. Chromatography (SiO2; heptane-ethyl acetate gradient) produced 4-(5-phenyl-pentyloxy)-butyric acid (32 mg, 3%) as a colorless oil.
  • 52
  • [ 14469-83-1 ]
  • [ 934810-03-4 ]
  • [ 934810-05-6 ]
YieldReaction ConditionsOperation in experiment
58% With potassium carbonate In acetonitrile for 12h; Reflux; 19.A Example 19A Methyl 4-((3E)-2-{2-[1-(2-ethoxy-2-oxoethyl)cyclopropyl]ethyl}-4-{2-[(5-phenylpentyl)oxy]-phenyl}but-3-en-1-yl)benzoate 273 mg (1.2 mmol) of (5-bromopentyl)benzene and 222 mg (1.6 mmol) of anhydrous potassium carbonate are added to a solution of 350 mg (0.8 mmol) of methyl 4-[(3E)-2-{2-[1-(2-ethoxy-2-oxoethyl)cyclopropyl]ethyl}-4-(2-hydroxyphenyl)but-3-en-1-yl]benzoate in 10 ml of dry acetonitrile, and the mixture is heated under reflux for 12 hours. The mixture is then concentrated to dryness. The residue is taken up in ethyl acetate, washed with water and saturated sodium chloride solution and dried over sodium sulfate. The organic phase is concentrated. The crude product obtained is purified by flash chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 9:1). This gives 275 mg (58% of theory) of a solid. 1H-NMR (400 MHz, DMSO-d6, δ/ppm): 7.82 (2H, d), 7.37-7.22 (5H, m), 7.21-7.09 (4H, m), 6.91-6.80 (2H, m), 6.32 (1H, d), 6.04-5.94 (1H, m), 3.99 (2H, q), 3.89 (2H, t), 3.80 (3H, s), 2.85-2.76 (1H, m), 2.73-2.62 (1H, m), 2.59 (2H, t), 2.45-2.32 (1H, m), 2.25-2.19 (2H, m), 1.75-1.49 (5H, m), 1.45-1.32 (4H, m), 1.29-1.15 (1H, m), 1.10 (3H, t), 0.41-0.32 (2H, m), 0.31-0.23 (2H, m).
  • 53
  • [ 3612-20-2 ]
  • [ 14469-83-1 ]
  • C22H29NO [ No CAS ]
YieldReaction ConditionsOperation in experiment
90% Stage #1: With iodine; magnesium Heating / reflux; Stage #2: (5-bromopentyl)benzene In tetrahydrofuran for 1h; Heating / reflux; Stage #3: 1-phenylmethyl-4-piperidone With water more than 3 stages; 15.A Part A. Preparation of Alcohol Intermediate Magnesium turnings (0.606 g, 24.95 mmol) and iodine were heated in a 3-neck flask (fitted with an addition funnel and a reflux condensor) with a heat-gun until iodine vapors appeared. After cooling to ambient temperature, tetrahydrofuran (10 mL) was added, followed by the slow addition of a solution of 1-bromo-4-n-pentylbenzene (5.00 g, 22.01 mmol) in tetrahydrofuran (50 mL). The mixture was heated with a heat-gun during the addition. After the addition was complete, the mixture was heated at reflux for 1 hr. The reaction mixture was then cooled in an ice-bath, and a solution of 1-benzyl-4-piperidone (2.78 g, 14.67 mmol) in tetrahydrofuran (40 mL) was quickly added. After slowly warming over 3 hr, the reaction mixture was re-cooled in an ice-bath. Water (25 mL) was added, followed by ethyl acetate (25 mL). The organic layer was removed, and the aqueous layer was further extracted with ethyl acetate. The organic layer was washed with saturated NaCl and dried over Na2SO4. Chromatography (on silica, ethyl acetate/hexanes) produced an alcohol in the form of a pale yellow oil (4.43 g, 90%).
  • 54
  • [ 14469-83-1 ]
  • [ 934753-05-6 ]
  • [ 934737-87-8 ]
YieldReaction ConditionsOperation in experiment
99.5% With potassium carbonate In acetonitrile for 12h; Reflux; 12A Example 12A; Methyl 4-((3E)-2-[2-(4-cyanophenyl)ethyl]-4-{2-[(5-phenylpentyl)oxy]phenyl}but-3-en-1-yl)benzoate 464.2 mg (2.04 mmol) of (5-bromopentyl)benzene and 353.05 mg (2.55 mmol) of potassium carbonate are added to a solution of 700.8 mg (1.7 mmol) of methyl 4-[(3E)-2-[2-(4-cyanophenyl)ethyl]-4-(2-hydroxyphenyl)but-3-en-1-yl]benzoate in 65 ml of acetonitrile, and the mixture is stirred under reflux for 12 hours. After cooling, the potassium carbonate is filtered off and the filtrate is evaporated. The resulting residue is purified by flash chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 7:3). 945 mg (1.7 mmol, 99.5% yield) are obtained.LC-MS (method 2): Rt=3.37 min; MS (ESIpos): m/z=575 (M+NH4+).
  • 55
  • [ 14469-83-1 ]
  • [ 942399-47-5 ]
  • [ 1093172-36-1 ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 6h; 5-1 (5-1) Synthesis of {1,1-bis(hydroxymethyl)-3-[4-(5-phenylpentyloxy)-3-trifluoromethylphenyl]propyl}carbamic acid t-butyl ester (compound 5-1) Compound 3-6 (380 mg) was dissolved in N,N-dimethylformamide (10 ml), potassium carbonate (277 mg) and 5-phenylpentylbromide (281 mg) were added, and the mixture was stirred at 80°C for 6 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate, washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give the object product (560 mg) as a colorless oil. 1H-NMR(CDCl3) δ (ppm): 1.45(9H, s), 1.45-1.59(2H, m), 1.60-1.72(2H, m), 1.79-1.91(4H, m), 2.57-2.68(4H, m), 3.25(2H, brs), 3.63-3.68(2H, m), 3.84-3.90(2H, m), 4.00(2H, t, J=6.4Hz), 5.02(1H, brs), 6.88(1H, d, J=8.5Hz), 7.15-7.19(3H, m), 7.24-7.31(3H, m), 7.36(1H, brs).
  • 57
  • [ 14469-83-1 ]
  • [ 1309380-29-7 ]
  • [ 1309380-30-0 ]
YieldReaction ConditionsOperation in experiment
52% With triethylamine In tetrahydrofuran at 20℃; for 18h; 6 3-bromo-4-((5-phenylpentyl)thio)benzaldehyde A mixture of Intermediate 5 (0.58 g, 2.34 mmol) 1-bromo-5-phenyl pentane [14469-83-1] (0.64 g, 2.82 mmol) and triethylamine (0.65 mL, 4.66 mmol) in THF (10 mL) was stirred for 18 h at rt. After an aqueous work up with 3:1 hexanes/ethyl acetate (200 mL) the crude material was dried and concentrated onto silica gel and purified by Auto-column (9.5 hexanes: 0.5 ethyl acetate) to give 3-bromo-4-((5-phenylpentyl)thio)benzaldehyde Intermediate 7 as a pure product, 0.48 g, (52%). [0694] 1H NMR (300 MHz, CDCl3): δ 9.87 (s, 1H), 8.00 (d, J=1.5 Hz, 1H), 7.76-7.73 (m, 1H), 7.29-7.16 (series of m, 6H), 2.98 (t, J=7.2 Hz, 2H), 2.64 (t, J=7.2 Hz, 2H), 1.90-1.55 (series of m, 6H).
42% With triethylamine In tetrahydrofuran at 20℃; for 18h; 4.2 Step-2: A solution of Intermediate 5 (2.80 g, 1 1 .3 mmol) and (5- bromopentyl)benzene [CAS 14469-83-1 ] (2.61 g, 1 1 .5 mol) with triethylamine (3.1 ml_) in THF (30 ml_) was stirred at rt for 18 hr. The solvent was removed under vacuum and the residue was dissolved in EtOAc/Hexanes (200 ml_, 1 :1 ), washed 5 with water, dried over MgSO4, filtered and concentrated onto silica gel. Auto-column (9.5 Hexanes/0.5 EtOAc) gave Intermediate 6 an oil, 1 .74 g (42%) 3-bromo-4-((5- phenylpentyl)thio)benzaldehyde.1 H NMR (300 MHz, CDCI3): δ 9.86 (s, 1 H), 7.98 (d, J = 1 .8 Hz, 1 H), 7.72 (dd, J = 8.4, 1 .2 Hz, 1 H), 7.28-7.15 (m, 6H), 2.97 (t, J = 7.5 Hz, 2H), 2.63 (t, J = 7.5 Hz, 2H), l o 1 .79-1 .54 (series of m, 6H).
  • 58
  • [ 14469-83-1 ]
  • [ 5847-59-6 ]
  • [ 1378872-59-3 ]
YieldReaction ConditionsOperation in experiment
56% With potassium carbonate; In N,N-dimethyl-formamide; at 100℃; for 18h; 2-bromo-4-nitro-1-((5-phenylpentyl)oxy)benzene A mixture of <strong>[5847-59-6]2-bromo-4-nitrophenol</strong> (CAS 5847-59-6) (2.05 g, 9.4 mmol), (5-bromopentyl)benzene (CAS 14469-83-1) (2.41 g, 10.6 mmol) and K2CO3 (3.5 g, 19.1 mmol) was dissolved in DMF (20 mL). The reaction mixture was heated at 100 C. for ~18 h. The mixture was diluted with hexanes:EtOAc (1:1) (~200 mL) and washed with H2O (3*). The organic solution was dried over MgSO4, filtered, and concentrated onto silica gel under vacuum. Auto-column (9.5 hexanes: 0.5 EtOAc) gave Intermediate 1 as a white solid 1.91 g (56%).
  • 59
  • [ 14469-83-1 ]
  • [ 1210-83-9 ]
  • [ 1345995-66-5 ]
YieldReaction ConditionsOperation in experiment
35% With potassium carbonate; potassium iodide In acetonitrile for 18h; Reflux; Inert atmosphere;
  • 60
  • 5-[4-(tetr-butyldimethylsilanyloxy)-3-methyl-phenylsulfanyl-methyl]-4-methyl-2-[(4-trifluoromethyl)phenyl]thiazole [ No CAS ]
  • [ 14469-83-1 ]
  • 5-[1-[3-methyl-4-(tert-butyldimethylsilyloxy)phenylthio]-6-phenylhexyl]-2-[4-(trifluoromethyl)phenyl]-4-methylthiazol [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 5-[4-(tetr-butyldimethylsilanyloxy)-3-methyl-phenylsulfanyl-methyl]-4-methyl-2-[(4-trifluoromethyl)phenyl]thiazole With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: (5-bromopentyl)benzene In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; 4.4. 5-(1-(4-(tert-butyldimethylsilyloxy)-3-methylphenylthio)-2-phenylethyl)-4-methyl-2-(4-(trifluoromethyl)phenyl)thiazole, compound 7a General procedure: A stirred solution of 6 (300 mg, 0.59 mmol) in anhydrous THF (5 ml) was cooled to -78 °C in dryice-acetone bath under N2 atmosphere. 2.0 M lithiumdiisopropylamide (619 μl, 1.24 mmol) was added dropwise to reaction mixture at -78 °C. The reaction mixture was stirred at -78 °C for 30 min. A solution of benzyl bromide (77 μl, 0.65 mmol) in THF (1 ml) was added dropwise at -78 °C. After the mixture was stirred at same temperature for further 30 min, it was quenched by adding sat. NH4Cl solution. The mixture was diluted by ethyl acetate and the organic layer was dried with MgSO4, filtered, and concentrated under reduced pressure to give crude compound. The crude compound was purified by column chromatography on silica gel (n-hexnane/ethylacetate = 10/1) to obtain 7a as colorless oil (265 mg, 75%).
  • 61
  • [ 14469-83-1 ]
  • [ 100-52-7 ]
  • [ 1086221-41-1 ]
YieldReaction ConditionsOperation in experiment
54% Stage #1: (5-bromopentyl)benzene With magnesium; ethylene dibromide In tetrahydrofuran at 20℃; for 2.5h; Inert atmosphere; Stage #2: benzaldehyde In tetrahydrofuran at 20℃; for 2.7h; Inert atmosphere; Cooling with ice; Stage #3: With water; ammonium chloride In tetrahydrofuran Inert atmosphere;
  • 62
  • [ 14469-83-1 ]
  • di(tetra-n-butylammonium)ethylzinc tribromide [ No CAS ]
  • [ 1078-71-3 ]
YieldReaction ConditionsOperation in experiment
94% With dichloro[1,3-bis(2,6-di-3-pentylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(II) In tetrahydrofuran for 2.16667h; Inert atmosphere;
  • 63
  • [ 10521-91-2 ]
  • [ 141-78-6 ]
  • [ 14469-83-1 ]
  • [ 75553-28-5 ]
YieldReaction ConditionsOperation in experiment
1: 52% 2: 20% With tetrabutylammomium bromide; ethanaminium,N-(difluoro-λ4-sulfanylidene)-N-ethyl-,tetrafluoroborate In dichloromethane at 21℃; Inert atmosphere;
  • 64
  • [ 14469-83-1 ]
  • [ 1383806-71-0 ]
  • [ 1383806-47-0 ]
YieldReaction ConditionsOperation in experiment
50% With potassium carbonate In acetonitrile at 20℃; for 24h;
  • 65
  • [ 14469-83-1 ]
  • [ 1430423-77-0 ]
YieldReaction ConditionsOperation in experiment
51% With N,N-dihydroxypyromellitimide; Selectfluor In acetonitrile at 50℃; for 6h; Inert atmosphere;
  • 66
  • [ 14469-83-1 ]
  • [ 140-29-4 ]
  • [ 1431331-63-3 ]
YieldReaction ConditionsOperation in experiment
53% With sodium amide In toluene at 80℃; for 17h;
Stage #1: phenylacetonitrile With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; Stage #2: (5-bromopentyl)benzene In N,N-dimethyl-formamide at 20℃; Inert atmosphere; 5.1.10 General procedure for preparing compounds 30 General procedure: Phenylacetonitrile (11mmol) was added dropwise to a suspension solution of NaH (11mmol) in anhydrous DMF (20mL) at 0°C under nitrogen. After the reaction mixture was stirred for 30min at rt, bromide (10mmol) was added in a dropwise manner. The resultant solution was stirred overnight at rt before water was added to quench the reaction. After the mixture was extracted with ethyl acetate, the organic phase was washed with brine, and dried over Na2SO4. Evaporation and column chromatography on silica gel afforded the crude alkylation product, which was dissolved in anhydrous Et2O. The resultant solution was added dropwise to a suspension of LiAlH4 (4.4mmol) in anhydrous Et2O at rt under nitrogen. After being stirred for 1h, the reaction was quenched by adding water. Ether extract work up followed by chromatography provided crude amine, which was dissolved in THF. To this solution were added 11b and TEA before it was refluxed for 24h. Ethyl acetate work up followed by purification by flash chromatography (eluent: 5-10% EtOH-DCM or similar conditions) gave the corresponding condensation product.
  • 67
  • [ 14469-83-1 ]
  • [ 494199-22-3 ]
  • [ 1433190-45-4 ]
YieldReaction ConditionsOperation in experiment
70% Stage #1: 4-(2,5-dimethoxyphenyl)-1-methyl-1,2,3,6-tetrahydropyridine With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 2h; Inert atmosphere; Stage #2: (5-bromopentyl)benzene In tetrahydrofuran; hexane at -20 - 20℃; for 1h; Inert atmosphere; 5.1.1 General procedure A General procedure: A solution of 4 in dry THF was stirred under argon at -20 °C. A solution of n-butyllithium, 2.5 M in hexane (1.5 equiv), was added to the reaction, producing a deep red color. The mixture was stirred at -20 °C for 2 h. Alkyl bromide (1.5 equiv) was added, producing a yellow solution, which was then stirred and brought to 20 °C over 1 h. The reaction mixture was then treated with saturated NH4Cl solution. The reaction mixture was partitioned between Et2O and H2O. The organic layer was dried over anhyd Na2SO4 and removal of the solvent gave an orange oil. Column chromatography of the crude material using 20% hexanes in Et2O gave compound 5 as a pure yellow oil.
With n-butyllithium at -78 - 20℃;
  • 68
  • [ 14469-83-1 ]
  • [ 53429-15-5 ]
YieldReaction ConditionsOperation in experiment
90 mg Stage #1: (5-bromopentyl)benzene With potassium phtalimide In N,N-dimethyl-formamide at 60℃; for 1h; Stage #2: With hydrazine hydrate In ethanol at 70℃; for 5h; Stage #3: With hydrogenchloride In 1,4-dioxane 96 <Example 96> - Synthesis of Compound 0096 - (Synthesis of Compound 0096-1) N,N-dimethylformamide (2 mL) was added to (5-bromopentyl)benzene (227 mg) and phthalimidepotassium (195 mg), and the mixture was stirred at 60°C for 1 hour. The reaction solution was cooled to room temperature and subjected to liquid separation with ethyl acetate (4 mL) and water (4 mL). The organic layer was washed with brine and dried over sodium sulfate, and then the solvent was evaporated under reduced pressure. A solution of the obtained oily substance and hydrazine monohydrate (100 µL) in ethanol (5 mL) was stirred at 70°C for 5 hours. The reaction solution was cooled to room temperature and the solvent was evaporated under reduced pressure. The residue was subjected to liquid separation by the addition of ethyl acetate (4 mL) and water (2 mL), and the aqueous layer was extracted with ethyl acetate (2 mL) twice. The organic layer was washed with brine and dried over sodium sulfate, and then the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (chloroform-methanol, NH silica) and to the obtained oily substance was added a 4 M hydrogen chloride/1,4-dioxane solution (1 mL), and the solvent was evaporated under reduced pressure. To the residue, methanol (1 mL) and ethyl acetate (1 mL) were added, and the resulting solid was separated by filtration and washed with ethyl acetate. The solid was dried under reduced pressure to obtain a compound 0096-1 hydrochloride (90 mg) as a white solid. 1H-NMR (DMSO-d6) δ: 7.83 (3H, bs), 7.30-7.26 (2H, m), 7.21-7.15 (3H, m), 2.75 (2H, dt), 2.57 (2H, t), 1.61-1.54 (4H, m), 1.37-1.27 (2H, m). MS m/z (M+H): 164.
Multi-step reaction with 2 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 20 °C 2.1: hydrazine hydrate / ethanol / 3 h / 78 °C 2.2: Gabriel Amine Synthesis
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 15 h / 20 °C 2: hydrazine hydrate / ethanol / 3 h / Reflux
  • 69
  • [ 616-45-5 ]
  • [ 14469-83-1 ]
  • [ 205822-31-7 ]
YieldReaction ConditionsOperation in experiment
84% Stage #1: 2-pyrrolidinon With sodium hydride In toluene; paraffin oil for 10h; Inert atmosphere; Reflux; Stage #2: (5-bromopentyl)benzene In 5,5-dimethyl-1,3-cyclohexadiene; toluene; paraffin oil for 4h; Inert atmosphere; Reflux; 1-(4-Phenylbutyl)pyrrolidin-2-one (1c) General procedure: To a solution of pyrrolidin-2-one (3 mL; 40 mmol) in 80 mL of anhydrous toluene, was added NaH (0.95 g, 40 mmol.) in 60% suspension in paraffin oil (1.58 g suspension). After stopping of hydrogen release, the reaction mixture was heated to reflux with stirring under nitrogen atmosphere for 10 h. Then ω-phenylalkylbromide (80 mmol) dissolved in anhydrous xylene (20 mL) was added. The mixture was then refluxed for 4 h under nitrogen atmosphere. After cooling and filtration, solvent was eliminated under reduced pressure. The viscous residue was purified by flash chromatography using CH2Cl2 / MeOH (99/1) to give compound 1c
  • 70
  • [ 14469-83-1 ]
  • [ 1617540-53-0 ]
  • 7-methoxy-N-{2-[4-(5-phenylpentyl)piperazin-1-yl]ethyl}-1,2,3,4-tetrahydroacridin-9-amine trihydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: (5-bromopentyl)benzene; 7-methoxy-N-(2-(piperazin-1-yl)ethyl)-1,2,3,4-tetrahydroacridin-9-amine With N-ethyl-N,N-diisopropylamine In dichloromethane Reflux; Inert atmosphere; Stage #2: With hydrogenchloride In methanol General procedure for synthesis of novel 7-MEOTA-donepezil like compounds (4-25) General procedure: General procedure for synthesis of novel 7-MEOTA-donepezil like compounds (4-25) Intermediate 3 (0.2 g, 0.6 mmol) was dissolved in anhydrous CH2Cl2 and Hunig's base (0.45 g, 3.6 mmol) with appropriate alkylbromide (1.8 mmol) was added. The reaction mixture was refluxed under nitrogen atmosphere overnight followed by evaporation of volatile solvents under reduced pressure. The crude product was purified by flash chromatography eluting EtOAc/MeOH/NH3 (25% aq.) (40:1:0.2-15:1:0.2) to obtain yellow-to-white oily residue. Resulting free bases were dissolved in methanol and gassed with hydrochloride acid to obtain final products as yellow-to-white salts in 65-85% yields.
  • 71
  • [ 14469-83-1 ]
  • [ 4244-84-2 ]
  • ethyl N-(5-phenylpentyl)-β-alaninate [ No CAS ]
YieldReaction ConditionsOperation in experiment
480 mg Stage #1: ethyl β-alaninate hydrochloride With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 1h; Stage #2: (5-bromopentyl)benzene In N,N-dimethyl-formamide; mineral oil at 80℃; for 4h; C-1 Ethyl N-(5-phenylpentyl)-β-alaninate Reference Example C-1 Ethyl N-(5-phenylpentyl)-β-alaninate To a solution of β-alanine ethyl hydrochloride (2.00 g) in N,N-dimethylformamide (65.0 mL), sodium hydride (60% dispersion in mineral oil, 1.15g) was added and the mixture was stirred at room temperature for an hour. After adding (5-bromopentyl)benzene (2.52 mL), the mixture was stirred at 80°C for 4 hours. After being cooled to room temperature, the reaction mixture was diluted with ethyl acetate and washed with saturated brine. The organic layer was separated off and dried over anhydrous magnesium sulfate; after removing the desiccant by filtration, the filtrate was concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography (chloroform:methanol = 100:0-85:15) to give the titled compound as a pale yellow oil (480 mg). 1H NMR (300 MHz, CHLOROFORM-d) δ ppm 1.19 - 1.30 (m, 3 H) 1.31 - 1.70 (m, 6 H) 2.42 - 2.54 (m, 2 H) 2.56 - 2.67 (m, 4 H) 2.81 - 2.92 (m, 2 H) 4.14 (q, J=7.1 Hz, 2 H) 7.10-7.22 (m, 3 H) 7.23 - 7.32 (m, 2 H). MS ESI/APCI Dual posi: 264[M+H]+.
  • 72
  • [ 14469-83-1 ]
  • [ 65700-72-3 ]
  • (4S,4aR,7aS,12bR)-4a,9-dihydroxy-3-(5-phenylpentyl)-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro[3,2-e]-isoquinolin-7(7aH)-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
89% With sodium hydrogencarbonate In N,N-dimethyl-formamide at 90℃;
  • 73
  • [ 14469-83-1 ]
  • [ 1258959-98-6 ]
  • 4-((5-phenylpentyl)oxy)benzofuran-7-carbonitrile [ No CAS ]
YieldReaction ConditionsOperation in experiment
604 mg With potassium carbonate In dimethyl sulfoxide at 20℃; for 16h; 3 Intermediate 74-((5-ihenylientyl)oxy)benzofuran-7-carbonitrile To the solution of intermediate 4 (427mg, 2.68mmol) and 5-bromopentyl) benzene (914mg, 4.O2mmol) (CAS 14469-83-1) in DMSO (1 0mL) was added K2C03 (1 .48g, I 0.7mmol). After stirring at rt for 16 h the mixture was diluted with water, extracted with ethyl acetate. The organic layers were combined, washed with brine,dried over magnesium sulfate, and concentrated under reduced pressure. The crude material was purified by MPLC (10% ethyl acetate in hexanes)to afford 604mg of Intermediate 7 as colorless solid.1H NMR (600 MHz, CDCI3) 6: 7.64 (d, J2.05 Hz, I H), 7.53 (d, J8.50 Hz, IH), 7.27-7.31 (m, 2H), 7.15-7.22 (m, 3H), 6.90 (d, J=2.05 Hz, IH), 6.69 (s, IH), 4.15(s, 2H), 2.61-2.72 (m, 2H), 1.82-2.04 (m, 2H), 1.65-1.79 (m, 2H), 1.45-1.62 (m, 2H).
  • 74
  • [ 14469-83-1 ]
  • 8-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)quinolin-5-ol [ No CAS ]
  • 5-((5-phenylpentyl)oxy)-8-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)quinoline [ No CAS ]
YieldReaction ConditionsOperation in experiment
506 mg With potassium carbonate In dimethyl sulfoxide at 20℃; for 16h; 11 5-((5-phenylpentyl)oxy)-8-(((tetrahydro-2H-pyran-2-yI)oxy)methyl)gu inoline To the solution of intermediate 20 (440mg, 1 .7mmol) and (5- bromopentyl)benzene (579mg, 2.SSmmol) (CAS 14469-83-I) in DMSO (I5mL) was added K2C03 (938g, 6.8mmol). After stirring at rt for 16 h the mixture was diluted with water, extracted with ethyl acetate. The organic layers were combined, washed with brine, dried over magnesium sulfate, and concentrated under reduced pressure. The crude material was purified by MPLC (30% ethyl acetate in hexanes) to afford 506mgof Intermediate 21 as colorless solid.1H NMR (600 MHz, CDCI3) 6: 8.87-8.99 (m, I H), 8.50-8.62 (m, I H), 7.65-7.78 (m, IH), 7.34-7.41 (m, IH), 7.24-7.32 (m, 2H), 7.15-7.23 (m, 3H), 6.80-6.85 (m,IH), 5.30-5.40 (m, IH), 5.15-5.26 (m, IH), 4.83-4.91 (m, IH), 4.06-4.19 (m, 2H), 3.93-4.05 (m, I H), 3.50-3.64 (m, I H), 2.62-2.74 (m, 2H), 1.88-2.02 (m, 3H), 1.68-1.85 (m,4H), 1 .48-1 .66 (m, 5H)
  • 75
  • [ 136918-14-4 ]
  • [ 14469-83-1 ]
  • [ 53429-14-4 ]
YieldReaction ConditionsOperation in experiment
87% With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Intermediate 14. 2-(5-phenyl pentyl)isoindoline-1,3-dione General procedure: XII (1.0 eq.) and phthalimide (1.0 eq.) were dissolved in dry DMF (2.0 mL per mmcl Xli) andK2C03 (1.0 eq.) was added. The reaction mixture was stirred at rt for 15 h, then diluted with EtOAc(5.0 mL per mmol XII) and filtered. The filtrate was evaporated under reduced pressure and the crude was used in the following step without further purification. The title compound was obtained according to the General Procedure VI (Step ib), starting from (5-bromopentyl)benzene (1.54 g, 6.79 mmcl) and phthalimide (1.0 g, 6.79 mmol). White solid (1.73 g, 87%). ‘H NMR (400 MHz, DMSO-d6) 6 1.21 - 1.34 (m, 2H), 1.49 - 1.69 (m, 4H), 2.52 - 2.56 (m, 1H), 3.55 (t, J = 7.1 Hz, 2H), 7.08 - 7.17 (m, 3H), 7.17 - 7.28 (m, 2H), 7.79 - 7.91 (m, 4H). MS (ESI) m/z: 294 [M-H] 311 [M-NH4]. MS (ESI) m/z: 292 [M-H].
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Inert atmosphere; Intermediate 62. 2-(5-Phenylpentyl)isoindoline-l,3-dione Intermediate 62. 2-(5-Phenylpentyl)isoindoline-l,3-dione In an oven-dried flask, phthalimide (736 mg, 5.0 mmol), 5-bromopentylbenzene (1.14 g, 5.0 mmol) and K2CO3 (691 mg, 5.0 mmol) were dissolved in dry DM F (10 mL) and the solution was stirred under nitrogen at room temperature for 15 hours. EtOAc (20 mL) was added, the precipitate was filtered off and the filtrate was evaporated leaving the crude product which was used in the following step without further purification.
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h;
  • 76
  • [ 14469-83-1 ]
  • [ 123770-62-7 ]
  • ethyl 5-(5-phenylpentyloxymethyl)isoxazole-3-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
1.65 g Reference Production Example 109 (0751) 60% Sodium hydride (1.04 g, 26.0 mmol) was added to dehydrated N,N-dimethylformamide (10 ml) cooled to 0C, under a nitrogen atmosphere, and a dehydrated N,N-dimethylformamide (10 ml) solution of <strong>[123770-62-7]ethyl 5-hydroxymethylisoxazole-3-carboxylate</strong> (3.0 g, 17.54 mmol) was added dropwise thereto, and then the mixture was further stirred for 30 minutes. A dehydrated N,N-dimethylformamide (5 ml) solution of 1-bromo-5-phenylpentane (3.90 g, 17.54 mmol) was added thereto, and the mixture was heated to room temperature and stirred for 16 hours. Then, the mixture was added to a saturated aqueous ammonium chloride solution, and extracted twice with ethyl acetate. The organic layer was washed with water and saturated saline water, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The residue was applied to a silica gel column chromatography to obtain 1.65 g of ethyl 5-(5-phenylpentyloxymethyl)isoxazole-3-carboxylate represented by the following formula. 1H-NMR (CDCl3, TMS, delta (ppm)) : 7.29 (m, 2H), 7.17(m, 3H), 6.65(s, 1H), 4.61 (s, 2H), 4.44 (t, 2H), 3.51(t, 2H), 2.61 (t, 2H), 1.62 (m, 4H), 1.42 (t, 5H)
  • 77
  • [ 4224-70-8 ]
  • [ 1078-58-6 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
72% Stage #1: 6-bromohexanoic acid With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In tetrahydrofuran at 25℃; for 2h; Inert atmosphere; Stage #2: diphenylzinc With iron(III)-acetylacetonate; o-phenylenebis(diphenylphosphine) In tetrahydrofuran at 25℃; for 1h; Inert atmosphere;
  • 78
  • 4,5,6,7-tetrachloro-1,3-dioxoisoindolin-2-yl 6-bromohexanoate [ No CAS ]
  • [ 1078-58-6 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
52% Stage #1: 4,5,6,7-tetrachloro-1,3-dioxoisoindolin-2-yl 6-bromohexanoate; diphenylzinc With iron(III)-acetylacetonate; o-phenylenebis(diphenylphosphine) In tetrahydrofuran at 0 - 25℃; for 1h; Inert atmosphere; Stage #2: Inert atmosphere;
  • 79
  • [ 14469-83-1 ]
  • [ 64-04-0 ]
  • N-(5-phenylpentyl)-N-(2-phenylethyl)amine [ No CAS ]
YieldReaction ConditionsOperation in experiment
75% With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 60℃; for 8h; 5 6.1.1.5 N-phenethyl-5-phenylpentan-1-amine (5) To a solution of phenethylamine 34 (0.8mmol) in DMF (5mL), K2CO3 (1.00mmol) was added. To this reaction mixture, (5-bromopentyl)benzene 39 (0.8mmol) and KI (0.2mmol) were added and heated at 60°C for 8h. After the completion of the reaction, water was added to the mixture and extracted using ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and concentrated under vacuum. The crude product was purified by column chromatography. Yield 75%, Colorless oil, Rf 0.25 (1: 9 MeOH: CH2Cl2), IR (neat): 3373, 2945, 1515, 1211, 967, 868cm-1; 1H NMR (CDCl3) δ 1.29-1.37 (m, 2H), 1.49-1.56 (m, 2H), 1.57-1.65 (m, 2H), 2.02 (bs, 1H), 2.57-2.65 (m, 4H), 2.79-2.91 (m, 4H), 7.15-7.31 (m, 10H); 13C NMR (CDCl3) δ 26.98, 29.70, 31.36, 35.89, 36.16, 49.72, 51.15, 125.79, 126.34, 128.41, 128.55, 128.64, 128.87, 140.07, 142.79. HRMS Calcd for C19H25Nm/z [M+H] 268.2066, found 268.2095.
  • 80
  • [ 14469-83-1 ]
  • [ 23095-14-9 ]
  • [ 2098885-65-3 ]
YieldReaction ConditionsOperation in experiment
66% In N,N-dimethyl-formamide at 25℃; for 16h; Inert atmosphere;
  • 81
  • [ 104-92-7 ]
  • [ 14469-83-1 ]
  • 1-methoxy-4-(1-phenylpentyl)benzene [ No CAS ]
YieldReaction ConditionsOperation in experiment
74% Stage #1: 1-bromo-4-methoxy-benzene; (5-bromopentyl)benzene With manganese; 6,6'-dimethyl-2,2'-bipyridine; nickel(II) perchlorate hexahydrate In N,N-dimethyl acetamide at 25℃; for 8h; Inert atmosphere; Sealed tube; Stage #2: With propyl bromide In N,N-dimethyl acetamide at 25℃; for 24h; Inert atmosphere; Sealed tube; regioselective reaction;
  • 82
  • [ 101-55-3 ]
  • [ 14469-83-1 ]
  • C23H24O [ No CAS ]
  • C23H24O [ No CAS ]
  • 83
  • [ 108-86-1 ]
  • [ 14469-83-1 ]
  • [ 1726-12-1 ]
YieldReaction ConditionsOperation in experiment
With nickel(II) bromide dimethoxyethane; Ir[2-(2,4-difluorophenyl)-5-trifluoromethylpyridine]2(1,10-phenantroline)PF6; Bathocuproine; diisopropylamine; magnesium bromide In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere; Glovebox; Sealed tube; Irradiation; regioselective reaction;
  • 84
  • [ 14469-83-1 ]
  • 2-(pyrimidin-5-yl)phenol [ No CAS ]
  • 5-(2-((5-phenylpentyl)oxy)phenyl)pyrimidine [ No CAS ]
YieldReaction ConditionsOperation in experiment
80% With potassium carbonate In acetone at 70℃; for 24h; Inert atmosphere; Sealed tube;
80% With potassium carbonate In acetone at 70℃; for 24h; Sealed tube; Inert atmosphere; Schlenk technique;
  • 85
  • 5-isobutyl-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione [ No CAS ]
  • [ 14469-83-1 ]
  • 5-isobutyl-1,3-dimethyl-5-(5-phenylpentyl)pyrimidine-2,4,6(1H,3H,5H)-trione [ No CAS ]
YieldReaction ConditionsOperation in experiment
78% With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 10h; Inert atmosphere;
  • 86
  • [ 111-24-0 ]
  • [ 108-86-1 ]
  • [ 14469-83-1 ]
YieldReaction ConditionsOperation in experiment
0.94 kg Stage #1: bromobenzene With iodine; magnesium In tetrahydrofuran for 3.5h; Inert atmosphere; Large scale; Stage #2: 1,5-dibromo-pentane In tetrahydrofuran at 10 - 45℃; Inert atmosphere; Large scale; Synthesis of Intermediate 1 Milled magnesium (190 g) under nitrogen in a 10 L reactor,Activated with dry THF (0.3 L), a small amount of iodine,Solution of bromobenzene (1192 g) in dry THF (3.5 L)Drip into the solution over 2 hours,The mixture was stirred for 1.5 hours under reflux to prepare a Grignard reagent solution.In a 20 L reactor,1,5-dibromopentane (4365 g) dry THF under nitrogenAdd (5.2 L) and add the previously prepared catalyst solution,After cooling to an internal temperature of 10 ° C., the previously prepared Grignard reagent solution isAs the internal temperature is 10-45 ° C,After dripping over 1 hour, it stirred at room temperature overnight.Add 3 M hydrochloric acid (3.5 L), separate the oil layer,The aqueous layer was further extracted with ethyl acetate (3.5 × 2).After drying the oil layer with anhydrous magnesium sulfate and filtering the oil layer,The filtrate was concentrated to give a crude brown oily substance (4.9 kg).The crude product is distilled under reduced pressure to give Intermediate 1 as a pale yellow clear oil.(0.94 kg) was obtained.
  • 87
  • [ 14469-83-1 ]
  • [ 6952-59-6 ]
  • [ 1087-49-6 ]
YieldReaction ConditionsOperation in experiment
0.45 kg Stage #1: (5-bromopentyl)benzene With iodine; magnesium In tetrahydrofuran at 55℃; for 2h; Inert atmosphere; Large scale; Stage #2: 3-cyanobromobenzene In tetrahydrofuran at 10 - 58℃; for 3.75h; Large scale; Stage #3: With hydrazine hydrate; sodium hydroxide In diethylene glycol dimethyl ether at 80 - 123℃; for 5.5h; Large scale; Synthesis of Intermediate 2 Milled magnesium (107 g) under nitrogen in a 10 L reactor,Add dry THF (0.5 L), activate with iodine fragments (tens of mg),A solution of intermediate 6 (0.91 kg) in dry THF (2.5 L) was added dropwise over 2 hours,The solution was heated and stirred at an internal temperature of 55 ° C. for one hour to prepare a Grignard reagent solution. After cooling 3-bromobenzonitrile and dry THF (4.5 L) to 10 ° C., the Grignard reagent solution prepared above wasAdd dropwise over 45 minutes at an internal temperature of 10 to 35 ° C,The mixture was heated and stirred at an internal temperature of 45 to 58 ° C. for 3 hours.The above reaction solution was added dropwise to 3 M hydrochloric acid (4.3 L), cooled to room temperature, the oil layer was separated, and the aqueous layer was extracted with ethyl acetate (6 L).Combine the oil layers and dry over anhydrous magnesium sulfate,After filtering the oil layer, the filtrate is concentrated,A brown oily crude (2.0 kg) was obtained.The crude product is purified by silica gel column chromatography (ethyl acetate / hexane = 1 / 9-1 / 4) to give a pale yellow transparent oil(0.74 kg) was obtained.Then transfer to a 20 L reactor and charge diglyme (5.1 L),Sodium hydroxide (0.19 kg) was added. ThenAdd hydrazine monohydrate (0.24 kg) dropwise over 30 minutes,Raise the internal temperature to 80 ° C over 1 hour,The mixture was stirred at an internal temperature of 123 ° C. for 4 hours. After coolingAfter adding 2 M hydrochloric acid (3.6 L),Hexane (3.5 L) was added and the oil layer separated.The aqueous layer is extracted with hexane (2.5 L × 2 times),Combine the oil layers and wash with saturated saline (2.5 L),After drying over anhydrous magnesium sulfate and filtering the oil layer,The filtrate was concentrated to give a crude brown oil (0.92 kg).The crude product was purified by silica gel column chromatography (hexane) to give Intermediate 2 (0.45 kg) as a yellow clear oil.
  • 88
  • [ 14469-83-1 ]
  • [ 5281-18-5 ]
  • [ 1087-49-6 ]
YieldReaction ConditionsOperation in experiment
51% With tetrakis(pyridine)nickel dichloride; potassium <i>tert</i>-butylate; triphenylphosphine In 1,4-dioxane at 60℃; for 24h; Schlenk technique; Inert atmosphere;
51% With nickel(II) bromide dimethoxyethane; lithium tert-butoxide; trimethylphosphane In 1,4-dioxane at 60℃; for 24h; Schlenk technique; Inert atmosphere;
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