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[ CAS No. 1520-44-1 ] {[proInfo.proName]}

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3d Animation Molecule Structure of 1520-44-1
Chemical Structure| 1520-44-1
Chemical Structure| 1520-44-1
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Product Details of [ 1520-44-1 ]

CAS No. :1520-44-1 MDL No. :MFCD00506195
Formula : C16H18 Boiling Point : -
Linear Structure Formula :- InChI Key :PDINXYLAVFUHSA-UHFFFAOYSA-N
M.W :210.31 Pubchem ID :15203
Synonyms :

Calculated chemistry of [ 1520-44-1 ]

Physicochemical Properties

Num. heavy atoms : 16
Num. arom. heavy atoms : 12
Fraction Csp3 : 0.25
Num. rotatable bonds : 4
Num. H-bond acceptors : 0.0
Num. H-bond donors : 0.0
Molar Refractivity : 70.32
TPSA : 0.0 Ų

Pharmacokinetics

GI absorption : Low
BBB permeant : No
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : Yes
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -4.03 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.82
Log Po/w (XLOGP3) : 5.01
Log Po/w (WLOGP) : 4.42
Log Po/w (MLOGP) : 5.83
Log Po/w (SILICOS-IT) : 4.81
Consensus Log Po/w : 4.58

Druglikeness

Lipinski : 1.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 2.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -4.59
Solubility : 0.00539 mg/ml ; 0.0000256 mol/l
Class : Moderately soluble
Log S (Ali) : -4.75
Solubility : 0.00374 mg/ml ; 0.0000178 mol/l
Class : Moderately soluble
Log S (SILICOS-IT) : -6.17
Solubility : 0.000144 mg/ml ; 0.000000684 mol/l
Class : Poorly soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 2.0
Synthetic accessibility : 1.7

Safety of [ 1520-44-1 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P280-P305+P351+P338 UN#:N/A
Hazard Statements:H302 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 1520-44-1 ]

* 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 [ 1520-44-1 ]

[ 1520-44-1 ] Synthesis Path-Downstream   1~75

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  • phenylmagnesium bromide [ No CAS ]
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  • 1,3-Bis-<4-nitro-phenyl>-butan [ No CAS ]
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  • 1,3-Bis-(4-chlormethyl-phenyl)-butan [ No CAS ]
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  • (S)-2-Phenyl-1-(2-phenyl-[1,3]dithian-2-yl)-propan-1-ol [ No CAS ]
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  • [ 7647-01-0 ]
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  • after/according to/ Clemmensen amalgamated zinc [ No CAS ]
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  • [ 7647-01-0 ]
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  • in acidic solution amalgamated zinc [ No CAS ]
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  • [ 1520-44-1 ]
YieldReaction ConditionsOperation in experiment
EXAMPLE 8 Bis-[(2,3-butanedione dioximato)(1-)N,N'](2-ethoxy-carbonylethyl)-(pyridine)cobalt(III), Agent 6, was prepared by the following method. A mixture of cobaltous chloride hexahydrate (11.9 g), and dimethylglyoxime (11.6 g) was dissolved, with stirring, in deaerated 90% ethanol (200 ml) under nitrogen. The following deaerated reagents were then added in sequence: sodium hydroxide (4 g in 25 ml water), pyridine (4 g), ethyl acrylate (5 g), sodium hydroxide (1 g in +-6 ml water). The resultant mixture was stirred for 5 minutes and then poured into water (500 ml) containing acetic acid (2.5 ml). The Agent was recovered by extraction of the aqueous mixture with methylene chloride, evaporation of the extract, and recrystallization of the residue from aqueous methanol. Treatment of MMA (1.9 g) with Agent 6 at 60 C. by the method of Example 4 yielded a mixture of oligomers consisting of dimer (0.8 g), trimer (0.6 g), plus higher oligomers.
EXAMPLE 16 Aquo(ethyl)(acacen)cobalt(III), Agent 16, was prepared by the following method. Cobaltous chloride hexahydrate (4.8 g) was dissolved in 20 ml of deaerated water under nitrogen. 4.5 g of (acacen), prepared by condensation of acetylacetone (2 mol) and ethylene diamine (1 mol), was then added, followed by sodium hydroxide (1.6 g). The mixture was heated, with stirring, until the suspended solid turned to a yellow-orange colour. The mixture was then cooled, the intermediate, (acacen)cobalt(II) filtered off under nitrogen and washed on the filter with warm deaerated water (10 ml), and then dried in-vacuo over calcium chloride. The air-sensitive anhydrous chelate (4.5 g) was dissolved in anhydrous tetrahydrofuran maintained under argon. Sodium amalgam (0.38 g sodium in 5 g mercury) was added, and the mixture stirred vigorously for 2 hours, then cooled to -10 C. Ethyl bromide (1.4 m) was added and the mixture stirred for 15 minutes, then decanted from the amalgam residues into water (100 ml). Agent 16 separated as brown crystals when the tetrahydrofuran was stripped under vacuum at 20 C.; it was purified by dissolution in acetone and crystallization on addition of water to the resultant green solution. Agent 16 crystallizes with water as the axial base; the water is eliminated when the Agent is dissolved in organic solvents. A labile orange-colored adduct is formed when a small quantity of pyridine is added to the green solution of Agent 16 or its chelate precursor. Agent 16 is stable in air, although loss of the ethyl group and oxidation of the residue occurs on prolonged storage at ambient temperatures. Treatment of MMA with Agent 16 using the method of Example 4 yielded poly(MMA) with molecular weight with 9,700 and polydispersity of 2.3. A similar treatment of addition of pyridine (8 mg) yielded polymer with molecular weight of 8,600, compared to the molecular weight of 18,000 obtained by treatment in the absence of the Agent or pyridine.
  • 31
  • α.γ-diphenyl-α-butylene [ No CAS ]
  • [ 1520-44-1 ]
  • 32
  • 1,3-diphenyl-butan-1-one semicarbazone [ No CAS ]
  • [ 1520-44-1 ]
  • 33
  • phenylmagnesium bromide [ No CAS ]
  • (+-)-4-methyl-1.3.2-dioxathiane-2.2-dioxide [ No CAS ]
  • [ 1520-44-1 ]
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  • <β-phenyl-propyl>-phenyl ketone [ No CAS ]
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  • 41
  • [ 19332-07-1 ]
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  • 42
  • [ 103-63-9 ]
  • dithiocarbamidacidic ammonium [ No CAS ]
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  • 43
  • [ 98-86-2 ]
  • 4-methyl-2-nitro-benzeneselen(o)ylsulfanyl cyanate [ No CAS ]
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  • 44
  • [ 95-15-8 ]
  • sulfur [ No CAS ]
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  • thiocyanato [ No CAS ]
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  • 46
  • [ 833-81-8 ]
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  • 47
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  • 1,3-Bis-(4-formylphenyl)-butan [ No CAS ]
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  • [ 1520-44-1 ]
  • Dicarboxy-1,3-diphenyl-butan (vermutl. 1,3-Bis-<4-carboxy-phenyl>-butan) [ No CAS ]
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  • [ 1520-44-1 ]
  • Dibenzamido-1,3-diphenylbutan [ No CAS ]
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  • [ 1520-44-1 ]
YieldReaction ConditionsOperation in experiment
With isopropylbenzene hydroperoxide; In methanol; EXAMPLE 6 A one-liter glass flask equipped with a stirrer, a dropping funnel with a gas introduction conduit, a reflux condenser with a calcium chloride tube, and a thermometer was charged with 212 grams (2.0 moles) of purified ethylbenzene, 4.0 grams (0.17 mole) of metallic sodium, and 2.9 grams (0.02 mole) of cumene hydroperoxide while introducing argon gas through the gas introduction conduit, and the resulting mixture was heated to 135 C. Then 208 grams (2.0 moles) of purified styrene were added dropwise thereto with stirring over 2 hours while maintaining the temperature of the reaction system at 135 C. After dropwise addition was completed, the reaction mixture was further stirred while heating for 1 hour and then cooled to room temperature. An excess of metallic sodium was decomposed by dropping methanol in small portions while stirring. Introduction of argon gas was stopped, and the contents were transferred to a separating funnel and then washed with water. The aqueous layer was removed, and the remaining oily layer was analyzed by gas chromatograpy. This gas chromatographic analysis showed that 96.6 grams (0.94 mole) of 1,3-diphenylbutane was formed. The yield was 47 mole %.
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  • (rac)-4-phenylbutane-2-thiol [ No CAS ]
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  • [ 959929-03-4 ]
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  • [ 59456-20-1 ]
  • [Fe(bis(oxazolinylphenyl)amido-Ph)Ph] [ No CAS ]
  • [ 1520-44-1 ]
  • 64
  • [ 143097-80-7 ]
  • [ 100-59-4 ]
  • [ 1520-44-1 ]
YieldReaction ConditionsOperation in experiment
93% With [Fe(bis(oxazolinylphenyl)amido-Ph)Cl2]; In tetrahydrofuran; at 20℃; for 1.0h;Inert atmosphere; General procedure: Alkyl halide (Method A: 0.5 mmol, Method B: 0.25 mmol) was dissolved in THF [3.0 mL (A)/1.5 mL (B)] and a stock solution (25 mM) of [Fe(Bopa-tBu)Cl2] (1d) [1.0 mL (A)/0.5 mL (B)] was added. Afterwards PhMgCl (1.00 M) [0.5 mL (A)/0.25 mL (B)] was added over a time period of 15 min. The solution was stirred for another 45 min. Method A: The reaction was then quenched with H2O (20 mL), acidified with aq 1 M HCl, and extracted with CH2Cl2 (3 × 20 mL). The crude extract was dried (Na2SO4) and further purified by chromatography on silica gel (eluent: 1% to 45% EtOAc in hexanes). Method B: The reaction was quenched by adding EtOH (0.5 mL). The reaction mixture was transferred on a preparative TLC plate and then further separated (eluent:EtOAc-hexanes).
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  • [ 1520-44-1 ]
YieldReaction ConditionsOperation in experiment
95% With [Fe(bis(oxazolinylphenyl)amido-Ph)Cl2]; In tetrahydrofuran; at -40℃; for 1.0h;Inert atmosphere; General procedure: Alkyl halide (Method A: 0.5 mmol, Method B: 0.25 mmol) was dissolved in THF [3.0 mL (A)/1.5 mL (B)] and a stock solution (25 mM) of [Fe(Bopa-tBu)Cl2] (1d) [1.0 mL (A)/0.5 mL (B)] was added. Afterwards PhMgCl (1.00 M) [0.5 mL (A)/0.25 mL (B)] was added over a time period of 15 min. The solution was stirred for another 45 min. Method A: The reaction was then quenched with H2O (20 mL), acidified with aq 1 M HCl, and extracted with CH2Cl2 (3 × 20 mL). The crude extract was dried (Na2SO4) and further purified by chromatography on silica gel (eluent: 1% to 45% EtOAc in hexanes). Method B: The reaction was quenched by adding EtOH (0.5 mL). The reaction mixture was transferred on a preparative TLC plate and then further separated (eluent:EtOAc-hexanes).
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  • 68
  • [ 4830-94-8 ]
  • [ 100-58-3 ]
  • [ 1520-44-1 ]
YieldReaction ConditionsOperation in experiment
74% With copper(l) iodide; In 2-methyltetrahydrofuran; toluene; at 80℃; for 18.0h;Inert atmosphere; Schlenk technique; Sealed tube; General procedure: To an oven-dried Schlenk tube were added CuI (0.1 mmol, 10 mol%), then the tube was evacuated and backfilled with argon for three times. To this Schlenk tube were added alkyl chloride (1.0 mmol), toluene (2.0 mL) and phenylmagnesium bromide (0.8 mL of a 2.9 mol/L 2-MeTHF solution, 2.3 mmol). The tube was sealed and the mixture was allowed to stir at 80 C for 18 h. After being cooled to room temperature, the reaction mixture was quenched with HCl aq. (1 N). The aqueous layer was extracted with Et2O three times. The combined organic layer was dried over anhydrous MgSO4, filtered, and evaporated. The residue was purified by column chromatography using petroleum ether (30 - 60oC) as eluent to afford the product.
74% With copper(l) iodide; In 2-methyltetrahydrofuran; toluene; at 80℃; for 12.0h;Schlenk technique; Inert atmosphere; To the Schlenk reaction tube, 19 mg (0.1 mmol) of cuprous iodide was added, and a vacuum was applied using a Schlenk double-row tube, and argon gas was introduced thereto, and it was repeated three times.Under argon, add 168 uL (1.0 mmol) of 1-phenyl-3-chlorobutane, 2.0 mL of toluene, 2.4 mL of phenylmagnesium bromide (2.4 mmol, 1.0 mol/L, 2-methyltetrahydrofuran solution).),The reaction system was sealed, and the reaction tube was placed in an 80 C oil bath. After stirring for 12 hours, 3 mL of dilute hydrochloric acid (concentration 1 mol/L) and 10 mL of petroleum ether (boiling range 30-60 C) were added.After stirring for 10 minutes, the extract was separated, dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated and then purified by silica gel column chromatography, eluent petroleum ether (boiling range 30 to 60 C), yield 74%.
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  • C10H13(2)H [ No CAS ]
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  • [ 13397-98-3 ]
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  • [ 108-86-1 ]
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  • 74
  • [ 108-86-1 ]
  • 4,4,5,5-tetramethyl-2-(3-phenylbutyl)-1,3,2-dioxaborolane [ No CAS ]
  • [ 1520-44-1 ]
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  • [ 143097-80-7 ]
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