ethyl 4,4-difluorocyclohexane-1-carboxylate
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With water; lithium hydroxide In tetrahydrofuran at 20℃; | 97% |
With ethanol; sodium hydroxide at 0 - 20℃; for 18h; | 94% |
With sodium hydroxide In ethanol at 0 - 20℃; for 18h; | 94% |
ethyl 4-oxocyclohexane-1-carboxylate
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With 4-tert-butyl-2,6-dimethylphenylsulfur trifluoride; pyridine hydrogenfluoride In dichloromethane at 0 - 20℃; for 5h; Inert atmosphere; | 27% |
Multi-step reaction with 2 steps 1: diethylaminosulfur trifluoride / CH2Cl2 / 0 °C 2: 65 percent / NaOH / tetrahydrofuran; H2O View Scheme | |
Multi-step reaction with 2 steps 1.1: diethylaminosulfur trifluoride / CH2Cl2 / 0 °C 1.2: OSO4; NMO / acetone; H2O 2.1: 65 percent / NaOH / tetrahydrofuran; H2O View Scheme |
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; water pH=< 1; |
ethyl 4-oxocyclohexane-1-carboxylate
A
4,4-difluorocyclohexanecarboxylic acid
B
4-fluorocyclohex-3-ene-1-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: ethyl 4-oxocyclohexane-1-carboxylate With diethylamino-sulfur trifluoride at -10 - 20℃; for 24h; Inert atmosphere; Large scale; Stage #2: With sodium hydroxide In tetrahydrofuran; ethanol at 0 - 60℃; pH=11; Large scale; |
4,4-difluorocyclohexanecarboxylic acid
4,4-difluorocyclohexane-1-carbonyl chloride
Conditions | Yield |
---|---|
With thionyl chloride In toluene at 92℃; for 2.5h; Inert atmosphere; Large scale; | 100% |
With thionyl chloride In toluene Reflux; | 100% |
With thionyl chloride at 85℃; for 3h; | 98% |
4,4-difluorocyclohexanecarboxylic acid
(4,4-difluorocyclohexyl)methanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran at 20℃; for 1h; | 98% |
Multi-step reaction with 2 steps 1: sulfuric acid / 16 h / 0 - 70 °C 2: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere View Scheme |
4,4-difluorocyclohexanecarboxylic acid
4-{3-[2-methyl-5-(1-methylethyl)-1H-imidazol-1-yl]-8-azabicyclo[3.2.1]oct-8-yl}-2-phenyl-1-butanamine
trifluoroacetic acid
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 4-{3-[2-methyl-5-(1-methylethyl)-1H-imidazol-1-yl]-8-azabicyclo[3.2.1]oct-8-yl}-2-phenyl-1-butanamine In dichloromethane at 20℃; for 18h; Inert atmosphere; Stage #3: trifluoroacetic acid In water; acetonitrile | 96% |
4,4-difluorocyclohexanecarboxylic acid
N-(2-chloro-6-methylphenyl)-2-((2-methyl-6-(piperazin-1-yl)pyrimidin 4-yl)amino)thiazole-5-carboxamide
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide; ethyl cyanoglyoxylate-2-oxime In tetrahydrofuran at 63 - 65℃; for 4h; | 96% |
4,4-difluorocyclohexanecarboxylic acid
N,0-dimethylhydroxylamine
4,4-difluoro-N-methoxy-N-methylcyclohexane-1-carboxamide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 16℃; for 16h; Concentration; | 95.09% |
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 16℃; for 16h; | 1.2 g |
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 95% |
4,4-difluorocyclohexanecarboxylic acid
1-hydroxy-pyrrolidine-2,5-dione
2,5-dioxopyrrolidin-1-yl 4,4-difluorocyclohexanecarboxylate
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; for 1h; | 94% |
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; Stage #2: 1-hydroxy-pyrrolidine-2,5-dione In tetrahydrofuran at 20℃; | 94% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 12h; Inert atmosphere; |
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 0.25h; Stage #2: 4-carbethoxypiperidine With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 18h; | 94% |
4,4-difluorocyclohexanecarboxylic acid
2,2,2-trichloroethyl (4,4-difluorocyclohexyl)carbamate
Conditions | Yield |
---|---|
With dmap; copper diacetate In acetonitrile at 80℃; for 3h; Schlenk technique; Sealed tube; | 94% |
4,4-difluorocyclohexanecarboxylic acid
(S)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester
(R)-tert-butyl 4-(4,4-difluorocyclohexanecarbonyl)-3-methylpiperazine-1-carboxylate
Conditions | Yield |
---|---|
With 1-hydroxy-7-aza-benzotriazole; sodium hydrogencarbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide for 15h; | 92% |
4,4-difluorocyclohexanecarboxylic acid
aniline
Conditions | Yield |
---|---|
With tris(2,4-pentanedionato)ruthenium(III); hydrogen; bis(trifluoromethanesulfonyl)amide; [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] In dibutyl ether at 160℃; under 45004.5 Torr; for 18h; Autoclave; | 91% |
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With thionyl chloride In dichloromethane for 15h; Reflux; Stage #2: (S)-(+)-β-phenyl-β-alanine methyl ester hydrochloride With sodium hydrogencarbonate In dichloromethane; water for 0.5h; Cooling with ice; | 91% |
4,4-difluorocyclohexanecarboxylic acid
methanol
methyl 4,4-difluorocyclohexane-1-carboxylate
Conditions | Yield |
---|---|
With sulfuric acid at 0 - 70℃; for 16h; | 90.82% |
sulfuric acid for 16h; Reflux; |
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With lithium aluminium deuteride In tetrahydrofuran at 20℃; | 88.1% |
4,4-difluorocyclohexanecarboxylic acid
4,4-difluoro-N-[(1S)-3-[(1R,5S)-3-(3-methyl-5-propan-2-yl-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl]-1-phenylpropyl]cyclohexane-1-carboxamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; Inert atmosphere; Molecular sieve; | 87% |
4,4-difluorocyclohexanecarboxylic acid
4,4-difluorocyclohexanecarboxamide
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With 4-methyl-morpholine; carbonochloridic acid, butyl ester In tetrahydrofuran at -70℃; for 0.25h; Inert atmosphere; Stage #2: With ammonium hydroxide In water at 20℃; | 86% |
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 1.5h; Stage #2: With ammonium hydroxide In tetrahydrofuran for 0.5h; | 77% |
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -70℃; for 0.5h; Stage #2: With ammonium hydroxide In tetrahydrofuran at 0℃; | 40% |
4,4-difluorocyclohexanecarboxylic acid
(4-{1-amino-3-[3-(3-isopropyl-5-methyl-[1,2,4]triazol-4-yl)-8-azabicyclo[3.2.1]oct-8-yl]propyl}phenyl)carbamic acid tert-butyl ester
(4-{1-(4,4-difluorocyclohexylcarbonylamino)-3-[3-(3-isopropyl-5-methyl-[1,2,4]triazol-4-yl)-8-azabicyclo[3.2.1]oct-8-yl]propyl}phenyl)carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane for 0.25h; Inert atmosphere; Cooling with ice; Molecular sieve; Stage #2: (4-{1-amino-3-[3-(3-isopropyl-5-methyl-[1,2,4]triazol-4-yl)-8-azabicyclo[3.2.1]oct-8-yl]propyl}phenyl)carbamic acid tert-butyl ester In dichloromethane at 20℃; for 4h; Inert atmosphere; Molecular sieve; | 85% |
4,4-difluorocyclohexanecarboxylic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane for 4h; | 84% |
4,4-difluorocyclohexanecarboxylic acid
trifluoroacetic acid
Conditions | Yield |
---|---|
Stage #1: benzyl 2-{bis[(tert-butoxy)carbonyl]amino}prop-2-enoate With dipotassium hydrogenphosphate; 10-(3,5-dimethoxyphenyl)-9-mesityl-1,3,6,8-tetramethoxyacridin-10-ium tetrafluoroborate In N,N-dimethyl-formamide for 0.333333h; Sealed tube; Inert atmosphere; Stage #2: 4,4-difluorocyclohexanecarboxylic acid In N,N-dimethyl-formamide at 25℃; for 20h; Inert atmosphere; Sealed tube; Irradiation; Stage #3: trifluoroacetic acid In dichloromethane at 25℃; for 1.5h; Sealed tube; | 83% |
Conditions | Yield |
---|---|
With tert-Butyl peroxybenzoate; 9-(2-chlorophenyl)acridine; copper(I) trifluoromethanesulfonate * 1/2 toluene; 1,4-diazabicyclo [2.2.2] octane-1,4-diium-1,4-disulfinate In dichloromethane Irradiation; | 83% |
4,4-difluorocyclohexanecarboxylic acid
C6H4NCH2CHCCH2
Conditions | Yield |
---|---|
With hydrogenchloride; cerium(III) chloride heptahydrate; tetrabutyl-ammonium chloride In 2,2,2-trifluoroethanol; water for 17h; Schlenk technique; Inert atmosphere; Electrochemical reaction; Irradiation; | 82% |
With ammonium peroxydisulfate; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate In dimethyl sulfoxide at 20℃; Irradiation; Inert atmosphere; | 78% |
With bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile at 20℃; for 12h; Inert atmosphere; Irradiation; Schlenk technique; | 67% |
With 2-Picolinic acid; ferrous(II) sulfate heptahydrate; sodium chlorate In water; dimethyl sulfoxide at 20℃; for 24h; Inert atmosphere; Irradiation; | 57% |
4,4-difluorocyclohexanecarboxylic acid
N-hydroxyphthalimide
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 25℃; | 81% |
With dmap; diisopropyl-carbodiimide In dichloromethane for 1h; | 79% |
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; for 0.5h; | 76% |
4,4-difluorocyclohexanecarboxylic acid
3-(4-fluorophenyl)-3H-1,2,3-oxadiazol-1-ium-5-olate
Conditions | Yield |
---|---|
With tris(2,2′-bipyrazine-N1,N1′)ruthenium(II) hexafluorophosphate In acetonitrile at 20℃; for 24h; Inert atmosphere; Schlenk technique; Irradiation; Sealed tube; | 81% |
Conditions | Yield |
---|---|
With copper (II)-fluoride; 1,4-diazabicyclo [2.2.2] octane-1,4-diium-1,4-disulfinate; 9-mesitylacridine In dichloromethane Irradiation; | 81% |
Conditions | Yield |
---|---|
With 6,6'-dimethyl-2,2'-bipyridine; nickel(II) bromide trihydrate; di-tert-butyl dicarbonate; sodium iodide; magnesium chloride; zinc In N,N-dimethyl acetamide at 30℃; for 24h; regioselective reaction; | 77% |
4,4-difluorocyclohexanecarboxylic acid
(S)-3-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)-1-phenylpropan-1-amine
N-((S)-3-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)-1-phenylpropyl)-4,4-difluorocyclohexanecarboxamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 4h; | 76% |
4,4-difluorocyclohexanecarboxylic acid
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
Conditions | Yield |
---|---|
Stage #1: 4,4-difluorocyclohexanecarboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.333333h; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride at 20℃; for 16h; | 76% |
4,4-difluorocyclohexanecarboxylic acid
1,1-bis(phenylsulfonyl)ethylene
Conditions | Yield |
---|---|
With piperazine; 9-(2-chlorophenyl)acridine; tetrakis(acetonitrile)copper(I)tetrafluoroborate In dichloromethane at 25 - 27℃; for 14h; Irradiation; | 76% |
4,4-difluorocyclohexanecarboxylic acid
(S)-3-((1R,3R,5S)-3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl)-1-phenylpropan-1-amine
maraviroc
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 12h; | 75% |
With polimer bound carbodiimide In dichloromethane at 20℃; for 1h; | 49% |
The 4,4-Difluorocyclohexanecarboxylic acid, with the CAS registry number 122665-97-8,is also known as 4, 4 -Difluoro-cyclohexane carboxylic acid. It belongs to the product categories of Intermediates & Fine Chemicals;Pharmaceuticals. This chemical's molecular formula is C7H10F2O2 and molecular weight is 164.15. What's more,Its systematic name is 4,4-Difluorocyclohexanecarboxylic acid.It is a White Solid which is a di-substituted cyclohexane carboxylic acids used in the synthesis of macrolide antibiotics.It is irritating to eyes, respiratory system and skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Physical properties about 4,4-Difluorocyclohexanecarboxylic acid are:
(1)ACD/LogP: 0.859; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.59; (4)ACD/LogD (pH 7.4): -2.34; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 2.48; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.432; (13)Molar Refractivity: 34.285 cm3; (14)Molar Volume: 132.05 cm3; (15)Surface Tension: 32.576000213623 dyne/cm; (16)Density: 1.243 g/cm3; (17)Flash Point: 99.639 °C; (18)Enthalpy of Vaporization: 52.653 kJ/mol; (19)Boiling Point: 241.141 °C at 760 mmHg; (20)Vapour Pressure: 0.0120000001043081 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES:FC1(F)CCC(C(=O)O)CC1;
(2)Std. InChI:InChI=1S/C7H10F2O2/c8-7(9)3-1-5(2-4-7)6(10)11/h5H,1-4H2,(H,10,11);
(3)Std. InChIKey:HYIUDFLDFSIXTR-UHFFFAOYSA-N.
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