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CAS No. : | 49623-71-4 | MDL No. : | MFCD00015031 |
Formula : | C16H24O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ULVHAZFBJJXIDO-UHFFFAOYSA-N |
M.W : | 248.36 | Pubchem ID : | 96214 |
Synonyms : |
|
Num. heavy atoms : | 18 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.56 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 77.14 |
TPSA : | 37.3 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -4.39 cm/s |
Log Po/w (iLOGP) : | 2.93 |
Log Po/w (XLOGP3) : | 4.83 |
Log Po/w (WLOGP) : | 4.76 |
Log Po/w (MLOGP) : | 4.17 |
Log Po/w (SILICOS-IT) : | 4.44 |
Consensus Log Po/w : | 4.22 |
Lipinski : | 1.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.56 |
Log S (ESOL) : | -4.41 |
Solubility : | 0.00977 mg/ml ; 0.0000393 mol/l |
Class : | Moderately soluble |
Log S (Ali) : | -5.35 |
Solubility : | 0.00112 mg/ml ; 0.0000045 mol/l |
Class : | Moderately soluble |
Log S (SILICOS-IT) : | -4.25 |
Solubility : | 0.0141 mg/ml ; 0.0000569 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 1.91 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P301+P312-P302+P352-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With thionyl chloride | ||
With thionyl chloride for 16h; Heating; | ||
With thionyl chloride 1.) a) 18 h, b) reflux, 5 h; |
With thionyl chloride for 12h; Heating; | ||
With thionyl chloride Reflux; | ||
With oxalyl dichloride; N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; | ||
With thionyl chloride; N,N-dimethyl-formamide In dichloromethane at 30℃; for 16h; | ||
With thionyl chloride; N,N-dimethyl-formamide In dichloromethane at 0 - 50℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
52% | Stage #1: 2,4,6-triisopropyl-1-bromobenzene With 2-methyltetrahydrofuran; magnesium; lithium hydroxide for 1h; Inert atmosphere; Sealed tube; Milling; Stage #2: carbon dioxide for 0.75h; Sealed tube; Milling; | |
(i) tBuLi, THF, hexane, (ii) /BRN= 1900390/; Multistep reaction; | ||
With tert.-butyl lithium 1.) THF, pentane, -78 deg C, 30 min, 2.) 15 min; Yield given. Multistep reaction; |
With (2’,4’,6’-triisopropyl-[1,1’-biphenyl]-2-yl)-diphenylphosphine; (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(2-phenylpyridine(-1H))-iridium(III) hexafluorophosphate; palladium diacetate; caesium carbonate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl acetamide at 20℃; for 6h; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
62% | With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In chloroform; water for 16h; Ambient temperature; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With lithium aluminium tetrahydride In diethyl ether | ||
Multi-step reaction with 4 steps 1: thionyl chloride / 1.) a) 18 h, b) reflux, 5 h 2: NaH / 40 h / Heating 3: 1.) sec-BuLi, TMEDA / 1.) THF, -98 deg C, 2.) a0 -98 deg C, b) from -98 deg C to RT 4: 76 percent / LiAlH4 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 90% 2: 62% | With sodium hydride In tetrahydrofuran for 19h; Ambient temperature; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water at 20℃; for 67h; Inert atmosphere; Schlenk technique; | |
95% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water at 20℃; | |
84% | With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In chloroform; water for 16h; Ambient temperature; |
84% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In chloroform; water for 16h; Ambient temperature; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In chloroform; water for 16h; Ambient temperature; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | With triphenylphosphine; diethylazodicarboxylate In toluene at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | With triphenylphosphine; diethylazodicarboxylate In toluene at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With triphenylphosphine; diethylazodicarboxylate In toluene at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With triphenylphosphine; diethylazodicarboxylate In toluene at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With triphenylphosphine; diethylazodicarboxylate In benzene at 0 - 20℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether / 3 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether / 3 h 3: 1.) TMEDA, sec-BuLi; 2.) D2O / 1.) THF, -78 deg C, 5 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 1.) TMEDA, sec-BuLi; 2.) CH3OD / 1.) THF, -78 deg C, 5 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 1.) TMEDA, sec-BuLi; 2.) CH3OD / 1.) THF, -78 deg C, 5 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 30 percent / TMEDA, sec-BuLi |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 30 percent / TMEDA, sec-BuLi |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 30 percent / TMEDA, sec-BuLi |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 50 percent / TMEDA, sec-BuLi |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 61 percent / TMEDA, sec-BuLi 4: sodium acetate, pyridinium chlorochromate / CH2Cl2 / 2 h 5: sodium / methanol / 2 h / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 61 percent / TMEDA, sec-BuLi 4: sodium acetate, pyridinium chlorochromate / CH2Cl2 / 2 h |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 61 percent / TMEDA, sec-BuLi |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 6 steps 1: thionyl chloride / 12 h / Heating 2: diethyl ether 3: 61 percent / TMEDA, sec-BuLi 4: sodium acetate, pyridinium chlorochromate / CH2Cl2 / 2 h 5: sodium / methanol / 2 h / Heating 6: LiAlH4 / diethyl ether / 10 h / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: LiAlH4 / diethyl ether 2: thionyl chloride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: LiAlH4 / diethyl ether 2: thionyl chloride 3: dimethylsulfoxide |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: LiAlH4 / diethyl ether 2: thionyl chloride 3: dimethylsulfoxide 4: diethyl ether / 4 h / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1: LiAlH4 / diethyl ether 2: thionyl chloride 3: dimethylsulfoxide 4: diethyl ether / 4 h / Heating 5: sodium carbonate, D2O / dioxane / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With water; triethylamine In acetone for 18h; Reflux; | 4.1.10. 2,4,6-Triisopropylbenzoic acid (10) To a solution of 2,4,6-triisopropylbenzoyl chloride (100 mg,0.375 mmol) in acetone (20 mL), Et3N (54.2 mL, 0.375 mmol) and water (3.4 mL, 0.188 mmol) were added under stirring. The mixture was refluxed for 18 h until TLC indicated that the reaction was complete. The solvent was concentrated under reduced pressure.The residue was purified by silica gel column chromatography (1:10/1:5, v/v, EtOAc:Petroleum ether) to give 10 (92 mg, 99%) as a white solid; Rf = 0.8 (1:5, EtOAc:Petroleum ether); mp 186-187 °C; 1H NMR (DMSO): δ 7.04 (s, 2H, Ar-H), 3.07-3.03 (m, 2H, 2 x CH(CH3)2), 2.92-2.89 (m, 1H, CH(CH3)2), 1.30-1.25 (m, 18H, 6 x CH3); 13C NMR (DMSO): δ 171.4, 149.0, 143.3, 132.0, 120.4, 33.6, 30.8, 23.8; ESI-MS m/z: 247.3 ([M-H]-). |
Multi-step reaction with 3 steps 1: NaH / 40 h / Heating 2: 1.) sec-BuLi, TMEDA / 1.) THF, -98 deg C, 2.) a) -98 deg C, b) from -98 deg C to RT 3: 90 percent / NaH / tetrahydrofuran / 19 h / Ambient temperature |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | In toluene reflux, 12 h; soln. layered with hexanes; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
15% | With sodium ethoxide In ethanol; acetone byproducts: Rh; sodium ethoxide dissolved in EtOH; HO2CC6H2(CH(CH3)2)3 added; RhCl3*3H2Oadded; refluxed for 18 h; suspn. filtered; solvent removed (vac.); extd . (CHCl3); dried (vac.); redissolved (Me2CO); soln. concd.; cooled to -10°C; mother liquor decanted; washed (acetone); acetone removed (vac.) at room temp.; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | In not given 3 equiv of triisopropylbenzoic acid; crystd. from DMSO; | |
95% | In tetrahydrofuran byproducts: HN(SiMe3)2; under vac.; to a soln. of Y-contg. compd. (2.00 mmol) in THF was slowly added a soln. of carboxylic acid (6.00 mmol) in THF at -45°C; stirring at ambient temp. overnight (16 h); the solvent and volatiles were removed in vac.; solid was washed severaltimes with hexane; drying for several hours; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | Stage #1: 2,4,6-triisopropylbenzoic acid With potassium <i>tert</i>-butylate In tetrahydrofuran Inert atmosphere; Stage #2: [13C]methyl iodide In tetrahydrofuran at 20℃; for 48h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
12% | With palladium diacetate; silver carbonate; tert-butyl XPhos In dimethyl sulfoxide; N,N-dimethyl-formamide at 200℃; for 0.0833333h; Microwave; Molecular sieve; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | With H2 In methanol H2 bubbled through soln. of RuCl2*3H2O in MeOH contg. catalytic amt. of Pt black for 4 h, soln. filtered through Celite into Schlenk flask contg. 2,4,6-triisopropylbenzoic acid, mixt. refluxed for 16 h; mixt. cooled to room temp., filtered through Celite, filtrate evapd. under vac., residue dissolved in hexane, soln. filtered, filtrate evapd. under vac.; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | With CH3COOH In neat (no solvent) mixt. of Ru complex and 10 fold excess of 2,4,6-triisopropylbenzoic acidheated at 220°C for 6 h, mixt. was cooled to room temp. every 2 h and condensed CH3COOH was removed under vac.; cooled, excess of ligand removed by sublimation at 130°C and 1E-3Torr; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With potassium <i>tert</i>-butylate In N,N-dimethyl-formamide for 1h; Inert atmosphere; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With potassium <i>tert</i>-butylate In toluene at 0℃; for 1.25h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With potassium <i>tert</i>-butylate In toluene at 0℃; for 1.25h; Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at -5 - 20℃; for 16.5h; | |
91% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at -5 - 20℃; for 16h; | |
86% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran; pentane at 0 - 20℃; for 16h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32.8% | In methanol for 0.25h; | Synthesis of [Zn(3-aba)(2,2'-bpy)2](ClO4)(H2O) (1) General procedure: [Zn(OAc)(2,2'-bpy)2](ClO4)(H2O) (554 mg, 1 mmol) was dissolved in methanol (50 mL). To this, clear solution of 3-aminobenzoic acid (137 mg, 1 mmol) in 10 mL of methanol was added. The resulting solution was stirred for 15 min and filtered. X-ray quality crystals were formed from the solution after one week. Yield: 0.390 g (60.0%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 4.16667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 4.16667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
56% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at -20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 4.16667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With copper(I) oxide; palladium diacetate; bis[2-(diphenylphosphino)phenyl] ether In 1,4-dioxane at 110℃; for 24h; Inert atmosphere; Schlenk technique; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With potassium carbonate In tetrahydrofuran at 20℃; for 48h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With copper (I) acetate; lithium carbonate; silver nitrate In N,N-dimethyl-formamide at 120℃; for 24h; Inert atmosphere; Sealed tube; Overall yield = 72 %; | 2.3 General procedure for copper-catalyzed C(sp2)-Hesterification General procedure: To a 50 mL sealed tube was added 1 (0.15 mmol), acid(0.45 mmol), CuOAc (7.4 mg, 0.06 mmol), AgNO3 (101.9mg, 0.6 mmol), Li2CO3 (33.3 mg, 0.45 mmol) and DMF (3mL). The mixture was purged with N2 and stirred at 120 °Cfor 24 h. The reaction mixture was then cooled to roomtemperature, diluted with dichloromethane and quenchedwith saturated sodium sulfide. The aqueous phase was extractedwith dichloromethane (3×10 mL). The combinedorganic phase was dried with anhydrous magnesium sulfate.After concentration, the resulting residue was purified byflash chromatography to afford the product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With copper(I) oxide; bis[2-(diphenylphosphino)phenyl] ether In 1,4-dioxane at 110℃; for 48h; Inert atmosphere; Schlenk technique; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water at 20℃; for 48h; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | |
68% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4.5h; | |
82% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; | |
59% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | With di-tert-butyl peroxide; C11H23N2(1+)*Br4Fe(1-) at 110℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With di-tert-butyl peroxide; C11H23N2(1+)*Br4Fe(1-) at 110℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | With di-tert-butyl peroxide; C11H23N2(1+)*Br4Fe(1-) In ethyl acetate at 110℃; for 24h; | General Procedure for the synthesis of 7a General procedure: To a reaction vessel was added 2 (13.9 mg, 0.025 mmol), 4-methoxybenzoic acid (76.1 mg, 0.5 mmol), DTBP (187 μL, 1.0 mmol), cyclohexene (1.0 mL) and ethyl acetate (0.5 mL) under air. The mixture was stirred for 24 h at 110 °C. After cooling to room temperature, ethyl acetate (10 mL) was added, and the mixture was filtered. The GC yield of the desired product was determined using GC analysis, with n-hexadecane as an internal standard. Purification of the crude mixture by column chromatography on silica gel using ethyl acetate/petrol ether (60-90 °C) as eluent gave the isolated yield of desired product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | With propane-1,3-diyl dinitrite In 2-methyltetrahydrofuran at 90℃; for 0.333333h; Flow reactor; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With propane-1,3-diyl dinitrite In tetrahydrofuran at 90℃; for 0.333333h; Flow reactor; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water at 20℃; | |
81% | With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In chloroform; water at 20℃; for 16h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With caesium carbonate In acetonitrile at 82℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; | |
93% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In dimethyl sulfoxide at 130℃; for 9h; | 5.2 Example 5 2) Isomerization rearrangement reaction: In a reaction vessel equipped with a gas dryer, a thermometer and a mechanical stirrer, dimethylsulfoxide, Compound I pheocene chloride, 2,4,6-triisopropyl Benzoic acid, sodium 2,4,6-triisopropylbenzoateWherein the molar ratio of compound I phellandrene chloride, 2,4,6-triisopropylbenzoic acid and sodium 2,4,6-triisopropylbenzoate is 1: 3: 3. After the addition, the reaction temperature was slowly raised to 130 ° C, the reaction was heated 9h. TLC test compound I phellandrene chloride consumption completely, non-cis cis is detected by chromatography product. After slowly cooling to room temperature, the reaction mixture was poured into a beaker of ice water and stirred for 10 min. The organic phase was extracted with ethyl acetate and dried over anhydrous sodium sulfate. The resulting oil was filtered and concentrated. The residue was purified by column chromatography (mobile phase ethyl acetate: petroleum ether = 0-1: 20) to give a white solid Compound II L-phellandrene 2,4,6-triisopropylbenzoate. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With (S)-2-(bis(3,5-bis(trifluoromethyl)phenyl)((methyldiphenylsilyl)oxy)methyl)pyrrolidine In chloroform at 50℃; for 48h; enantioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 22℃; for 1h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | In methanol; acetonitrile at 80℃; for 0.25h; | Synthesis of 4 Purple needles of 4 are obtained from Co(OAc)2·4H2O (0.25 mmol,0.062 g), imH (0.5 mmol, 0.034 g) and tipbaH (0.5 mmol, 0.124 g) in amixture of methanol and CH3CN after 10 days by slow evaporation.Yield: 0.3 g (∼87% based on Co). M.p.: 208-210 °C. Elemental Anal.Calcd. for C38H54CoN4O4 (%): C, 66.17; H, 7.89; N, 8.12. Found: C,66.01; H, 8.14; N, 7.51. FT-IR data (KBr, cm-1): 3138(m), 3072(w),2967(s), 2875(s), 1624(s), 1466(m), 1361(s), 1321(s), 1084(s), 959(w),867(w). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Ca. 87% | In methanol; acetonitrile; at 100℃; for 0.25h; | Blue colored plate-like single crystals of 2 are obtained from Cu(OAc)2·H2O (0.25 mmol, 0.050 g), <strong>[108-75-8]2,4,6-collidin</strong>e (1 mmol, 0.121 g) andtipbaH (0.5 mmol, 0.124 g) in a mixture of methanol, CH3CN andDMSO after 2 weeks by slow evaporation. Yield: 0.18 g (?87% basedon Cu). M.p.: 210 C. Elemental Anal. Calcd. for C48H68CuN2O4 (%): C,70.01; H, 8.56; N, 3.50. Found: C, 70.94; H, 8.74; N, 3.08. FT-IR data(KBr, cm-1): 2966(s), 2931(s), 2870(s), 1632(s), 1602(s), 1479(s),1373(s), 1159(br), 1108(br), 1052(s), 853(s), 823(s), 644(s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | |
60% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With silver carbonate In methanol at 20℃; for 12h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With di-tert-butyl peroxide; C11H23N2(1+)*Br4Fe(1-) at 110℃; for 24h; | General procedure for the tsynthesis of cyanomethyl esters (3a-ai) General procedure: To a reaction vessel was added [HSItBu][FeBr4] (11.2 mg, 0.02 mmol), aromatic carboxylic acid (0.2 mmol), DTBP (92 μL, 0.5 mmol), and alkylnitrile (4-24 mL) under air. The mixture was stirred for 24 h at 110 °C. After cooling to room temperature, ethyl acetate (10 mL) was added and the mixture was filtered. The GC yield of the desired product was determined by GC analysis using n-hexadecane as an internal standard. Purification of the crude mixture by column chromatography on silica gel using ethyl acetate/petrol ether (60-90 °C) as the eluent afforded the desired product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With copper diacetate In 1,2-dichloro-ethane at 60℃; chemoselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 4.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 21h; Inert atmosphere; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; |
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