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  • 122665-97-8 Structure
  • Basic information

    1. Product Name: 4,4-Difluorocyclohexanecarboxylic acid
    2. Synonyms: 4,4-DIFLUOROCYCLOHEXANECARBOXYLIC ACID;Cyclohexanecarboxylic acid, 4,4-difluoro-;4,4-DIFLUOROCYCLOHEXYLCARBOXYLIC ACID;Maraviroc Intermediate 1;4,4-diflurocyclohexane carboxylic acid;4,4 - Difluorocyclohexanecarboxylicd;4,4-difluorocyclohexane-1-carboxylic acid;4,4-Difluorocyclohexanecarboxylic acid(HXFA)
    3. CAS NO:122665-97-8
    4. Molecular Formula: C7H10F2O2
    5. Molecular Weight: 164.15
    6. EINECS: 1312995-182-4
    7. Product Categories: Drug Intermediates;Carboxylic Acids;Ring Systems;C7;Carbonyl Compounds;Aliphatics;Intermediates & Fine Chemicals;Pharmaceuticals
    8. Mol File: 122665-97-8.mol
    9. Article Data: 14
  • Chemical Properties

    1. Melting Point: 103-107 °C
    2. Boiling Point: 241.1 °C at 760 mmHg
    3. Flash Point: 99.6 °C
    4. Appearance: /
    5. Density: 1.24 g/cm3
    6. Vapor Pressure: 0.0421mmHg at 25°C
    7. Refractive Index: 1.443
    8. Storage Temp.: Refrigerator
    9. Solubility: Chloroform, Methanol
    10. PKA: 4.06±0.10(Predicted)
    11. CAS DataBase Reference: 4,4-Difluorocyclohexanecarboxylic acid(CAS DataBase Reference)
    12. NIST Chemistry Reference: 4,4-Difluorocyclohexanecarboxylic acid(122665-97-8)
    13. EPA Substance Registry System: 4,4-Difluorocyclohexanecarboxylic acid(122665-97-8)
  • Safety Data

    1. Hazard Codes: Xi
    2. Statements: 36/37/38
    3. Safety Statements: 26
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: IRRITANT
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 122665-97-8(Hazardous Substances Data)

122665-97-8 Usage

Description

4,4-Difluorocyclohexanecarboxylic acid is a di-substituted cyclohexane carboxylic acid that is characterized by its white solid appearance. It is a chemical compound with a unique structure that makes it valuable in various applications, particularly in the pharmaceutical industry.

Uses

Used in Pharmaceutical Industry:
4,4-Difluorocyclohexanecarboxylic acid is used as a key intermediate in the synthesis of macrolide antibiotics. These antibiotics are essential in treating a wide range of bacterial infections due to their ability to inhibit bacterial protein synthesis.
The specific application of 4,4-Difluorocyclohexanecarboxylic acid in the synthesis process is attributed to its unique chemical properties, which allow for the creation of complex macrolide structures with potent antibiotic activity. This makes it a valuable component in the development of new and effective treatments for bacterial infections.

Check Digit Verification of cas no

The CAS Registry Mumber 122665-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,6 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122665-97:
(8*1)+(7*2)+(6*2)+(5*6)+(4*6)+(3*5)+(2*9)+(1*7)=128
128 % 10 = 8
So 122665-97-8 is a valid CAS Registry Number.
InChI:InChI=1/C9H6F4O2/c1-2-15-9(14)4-3-5(10)7(12)8(13)6(4)11/h3H,2H2,1H3

122665-97-8 Well-known Company Product Price

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  • TCI America

  • (D4330)  4,4-Difluorocyclohexanecarboxylic Acid  >98.0%(GC)(T)

  • 122665-97-8

  • 1g

  • 650.00CNY

  • Detail
  • TCI America

  • (D4330)  4,4-Difluorocyclohexanecarboxylic Acid  >98.0%(GC)(T)

  • 122665-97-8

  • 5g

  • 1,990.00CNY

  • Detail

122665-97-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,4-Difluorocyclohexanecarboxylic Acid

1.2 Other means of identification

Product number -
Other names 4,4-difluorocyclohexane-1-carboxylic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:122665-97-8 SDS

122665-97-8Synthetic route

ethyl 4,4-difluorocyclohexane-1-carboxylate
178312-47-5

ethyl 4,4-difluorocyclohexane-1-carboxylate

4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

Conditions
ConditionsYield
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
17159-79-4

ethyl 4-oxocyclohexane-1-carboxylate

4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

Conditions
ConditionsYield
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
C7H10F2O2*H3N

C7H10F2O2*H3N

4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; water pH=< 1;
ethyl 4-oxocyclohexane-1-carboxylate
17159-79-4

ethyl 4-oxocyclohexane-1-carboxylate

A

4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

B

4-fluorocyclohex-3-ene-1-carboxylic acid
350-44-7

4-fluorocyclohex-3-ene-1-carboxylic acid

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

4,4-difluorocyclohexane-1-carbonyl chloride
376348-75-3

4,4-difluorocyclohexane-1-carbonyl chloride

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

(4,4-difluorocyclohexyl)methanol
178312-48-6

(4,4-difluorocyclohexyl)methanol

Conditions
ConditionsYield
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
122665-97-8

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
1262786-65-1

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
76-05-1

trifluoroacetic acid

4,4-difluoro-N-(4-{(1R,5S)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl}-2-phenylbutyl)cyclohexanecarboxamide trifluoroacetate

4,4-difluoro-N-(4-{(1R,5S)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl}-2-phenylbutyl)cyclohexanecarboxamide trifluoroacetate

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

N-(2-chloro-6-methylphenyl)-2-((2-methyl-6-(piperazin-1-yl)pyrimidin 4-yl)amino)thiazole-5-carboxamide
910297-51-7

N-(2-chloro-6-methylphenyl)-2-((2-methyl-6-(piperazin-1-yl)pyrimidin 4-yl)amino)thiazole-5-carboxamide

N-(2-chloro-6-methylphenyl)-2-[[6-[4-(4,4-difluorocyclohexanecarbonyl)-1-piperazinyl]-2-methyl-4-pyrimidinyl]amino]-5-thiazolecarboxamide

N-(2-chloro-6-methylphenyl)-2-[[6-[4-(4,4-difluorocyclohexanecarbonyl)-1-piperazinyl]-2-methyl-4-pyrimidinyl]amino]-5-thiazolecarboxamide

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; ethyl cyanoglyoxylate-2-oxime In tetrahydrofuran at 63 - 65℃; for 4h;96%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

N,0-dimethylhydroxylamine
1117-97-1

N,0-dimethylhydroxylamine

4,4-difluoro-N-methoxy-N-methylcyclohexane-1-carboxamide
917383-03-0

4,4-difluoro-N-methoxy-N-methylcyclohexane-1-carboxamide

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

C23H31N5O

C23H31N5O

4,4-difluoro-cyclohexanecarboxylic acid {3-[5-(4,6-dimethyl-pyrimidine-5-carbonyl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-1-phenyl-butyl}-amide

4,4-difluoro-cyclohexanecarboxylic acid {3-[5-(4,6-dimethyl-pyrimidine-5-carbonyl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-1-phenyl-butyl}-amide

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

1-hydroxy-pyrrolidine-2,5-dione
6066-82-6

1-hydroxy-pyrrolidine-2,5-dione

2,5-dioxopyrrolidin-1-yl 4,4-difluorocyclohexanecarboxylate
1369515-34-3

2,5-dioxopyrrolidin-1-yl 4,4-difluorocyclohexanecarboxylate

Conditions
ConditionsYield
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;
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

4-carbethoxypiperidine
1126-09-6

4-carbethoxypiperidine

C15H23F2NO3

C15H23F2NO3

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

2,2,2,-trichloroethoxycarbonyl azide

2,2,2,-trichloroethoxycarbonyl azide

2,2,2-trichloroethyl (4,4-difluorocyclohexyl)carbamate
1227064-42-7

2,2,2-trichloroethyl (4,4-difluorocyclohexyl)carbamate

Conditions
ConditionsYield
With dmap; copper diacetate In acetonitrile at 80℃; for 3h; Schlenk technique; Sealed tube;94%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

(S)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester
147081-29-6

(S)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

(R)-tert-butyl 4-(4,4-difluorocyclohexanecarbonyl)-3-methylpiperazine-1-carboxylate
1133749-73-1

(R)-tert-butyl 4-(4,4-difluorocyclohexanecarbonyl)-3-methylpiperazine-1-carboxylate

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

aniline
62-53-3

aniline

N-((4,4-difluorocyclohexyl)methyl)aniline

N-((4,4-difluorocyclohexyl)methyl)aniline

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

(S)-(+)-β-phenyl-β-alanine methyl ester hydrochloride

(S)-(+)-β-phenyl-β-alanine methyl ester hydrochloride

methyl (3S)-3-[(4,4-difluorocyclohexanecarbonyl)amino]-3-phenylpropanoate

methyl (3S)-3-[(4,4-difluorocyclohexanecarbonyl)amino]-3-phenylpropanoate

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

methanol
67-56-1

methanol

methyl 4,4-difluorocyclohexane-1-carboxylate
121629-14-9

methyl 4,4-difluorocyclohexane-1-carboxylate

Conditions
ConditionsYield
With sulfuric acid at 0 - 70℃; for 16h;90.82%
sulfuric acid for 16h; Reflux;
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

dideuterio-(4,4-difluorocyclohexyl)methanol

dideuterio-(4,4-difluorocyclohexyl)methanol

Conditions
ConditionsYield
With lithium aluminium deuteride In tetrahydrofuran at 20℃;88.1%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

(1S)-3-((1R,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

(1S)-3-((1R,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

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
376348-65-1

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
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

4,4-difluorocyclohexanecarboxamide
927209-98-1

4,4-difluorocyclohexanecarboxamide

Conditions
ConditionsYield
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
122665-97-8

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
1370259-81-6

(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
1370259-90-7

(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
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

C22H28FN5O

C22H28FN5O

(S)-4,4-difluoro-cydohexanecarboxylic acid [3-[5-(4,6-dimethyl-pyrimidine-5-carbonyl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-1-(3-fluoro-phenyl)-propyl]-amide

(S)-4,4-difluoro-cydohexanecarboxylic acid [3-[5-(4,6-dimethyl-pyrimidine-5-carbonyl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-1-(3-fluoro-phenyl)-propyl]-amide

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

benzyl 2-{bis[(tert-butoxy)carbonyl]amino}prop-2-enoate

benzyl 2-{bis[(tert-butoxy)carbonyl]amino}prop-2-enoate

trifluoroacetic acid
76-05-1

trifluoroacetic acid

C16H21F2NO2*C2HF3O2

C16H21F2NO2*C2HF3O2

Conditions
ConditionsYield
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%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

indan-5-amine
24425-40-9

indan-5-amine

C15H19F2NO2S

C15H19F2NO2S

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

C6H4NCH2CHCCH2
491-35-0

C6H4NCH2CHCCH2

2-(4,4-difluorocyclohexyl)-4-methylquinoline

2-(4,4-difluorocyclohexyl)-4-methylquinoline

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

N-hydroxyphthalimide
524-38-9

N-hydroxyphthalimide

1,3-dioxoisoindolin-2-yl 4,4-difluorocyclohexane-1-carboxylate

1,3-dioxoisoindolin-2-yl 4,4-difluorocyclohexane-1-carboxylate

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

3-(4-fluorophenyl)-3H-1,2,3-oxadiazol-1-ium-5-olate
5352-95-4

3-(4-fluorophenyl)-3H-1,2,3-oxadiazol-1-ium-5-olate

4,4-difluoro-N'-(4-fluorophenyl)-N'-formylcyclohexane-1-carbohydrazide

4,4-difluoro-N'-(4-fluorophenyl)-N'-formylcyclohexane-1-carbohydrazide

Conditions
ConditionsYield
With tris(2,2′-bipyrazine-N1,N1′)ruthenium(II) hexafluorophosphate In acetonitrile at 20℃; for 24h; Inert atmosphere; Schlenk technique; Irradiation; Sealed tube;81%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

4-(benzoyloxy)morpholine
5765-65-1

4-(benzoyloxy)morpholine

C10H17F2NO3S

C10H17F2NO3S

Conditions
ConditionsYield
With copper (II)-fluoride; 1,4-diazabicyclo [2.2.2] octane-1,4-diium-1,4-disulfinate; 9-mesitylacridine In dichloromethane Irradiation;81%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

1-Bromo-4-phenylbutane
13633-25-5

1-Bromo-4-phenylbutane

C17H22F2O

C17H22F2O

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

(S)-3-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)-1-phenylpropan-1-amine
1114997-13-5

(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
1114996-72-3

N-((S)-3-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)-1-phenylpropyl)-4,4-difluorocyclohexanecarboxamide

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
7524-50-7

methyl (2S)-2-amino-3-phenylpropanoate hydrochloride

methyl (4,4-difluorocyclohexane-1-carbonyl)-L-phenylalaninate

methyl (4,4-difluorocyclohexane-1-carbonyl)-L-phenylalaninate

Conditions
ConditionsYield
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
122665-97-8

4,4-difluorocyclohexanecarboxylic acid

1,1-bis(phenylsulfonyl)ethylene
39082-53-6

1,1-bis(phenylsulfonyl)ethylene

C20H22F2O4S2

C20H22F2O4S2

Conditions
ConditionsYield
With piperazine; 9-(2-chlorophenyl)acridine; tetrakis(acetonitrile)copper(I)tetrafluoroborate In dichloromethane at 25 - 27℃; for 14h; Irradiation;76%
4,4-difluorocyclohexanecarboxylic acid
122665-97-8

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
376348-71-9

(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
376348-65-1

maraviroc

Conditions
ConditionsYield
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%

122665-97-8Relevant articles and documents

Development of a bulk enabling route to maraviroc (UK-427,857), a CCR-5 receptor antagonist

Haycock-Lewandowski, Sarah J.,Wilder, Alexander,Ahman, Jens

, p. 1094 - 1103 (2008)

A bulk enabling synthesis of the CCR-5 receptor antagonist, Maraviroc (UK-427,857) (1), is presented. Synthesis of the three key fragments, β-amino ester 3,4,4-difluorohexanecarboxylic acid (2), and 1,3,4-triazole-substituted tropane fragment 4 are described. Coupling strategies for these fragments are discussed and described, including synthetic challenges, protection strategies, impurity generation, and final scale-up of the developed route to 1.

Initial synthesis of UK-427,857 (Maraviroc)

Price, David A.,Gayton, Simon,Selby, Matthew D.,Ahman, Jens,Haycock-Lewandowski, Sarah,Stammen, Blanda L.,Warren, Andrew

, p. 5005 - 5007 (2005)

The initial synthesis of UK-427,857 (Maraviroc) is described including the preparation of 4,4-difluorocyclohexanoic acid and amide coupling utilizing a polymer supported reagent.

USP30 INHIBITORS

-

Page/Page column 20; 21; 28; 29, (2018/12/13)

The application relates to phenyl- or naphthylsulfonamide derivatives of the structural formula (I). The compounds are described as inhibitors of USP30 (ubiquitin specific peptidase 30) useful for the treatment of conditions involving mitochondrial defects including neurodegenerative diseases such as Alzheimer's and Parkinson's or a neoplastic disease such as leukemia.

Substituted imidazo[1,2-b]pyridazines as protein kinase inhibitors

-

Page/Page column 134; 135, (2016/09/13)

The present invention provides protein kinase having one of the following structures (I), (II) or (III): or a stereoisomer, prodrug, tautomer or pharmaceutically acceptable salt thereof, wherein R, R1, R2 and X are as defined herein. Compositions and methods for using the same in the treatment of cancer, autoimmune, inflammatory and other Pim kinase-associated conditions are also disclosed.

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