Hydrochloric Acid → 4-((4,4,4-Trifluoro-1-(2-methyl-4-(5-(trifluoromethyl)pyridin-2-yl)phenyl)butyl)amino)benzoic acid

HRID 1520248Notes

Reaction equation

[F:1][C:2]([F:35])([F:34])[CH2:3][CH2:4][CH:5]([C:17]1[CH:22]=[CH:21][C:20]([C:23]2[CH:28]=[CH:27][C:26]([C:29]([F:32])([F:31])[F:30])=[CH:25][N:24]=2)=[CH:19][C:18]=1[CH3:33])CC1C=CC(C(OC)=O)=CC=1.[OH-:36].[Na+].[CH2:38]1[CH2:42][O:41][CH2:40][CH2:39]1.Cl>CO>[F:34][C:2]([F:1])([F:35])[CH2:3][CH2:4][CH:5]([NH:24][C:23]1[CH:20]=[CH:19][C:39]([C:40]([OH:36])=[O:41])=[CH:38][CH:42]=1)[C:17]1[CH:22]=[CH:21][C:20]([C:23]2[CH:28]=[CH:27][C:26]([C:29]([F:30])([F:31])[F:32])=[CH:25][N:24]=2)=[CH:19][C:18]=1[CH3:33]

Participants

Conditions

Temperature: 70 °C

Procedure

A reaction mixture of methyl 4-(5,5,5-trifluoro-2-(2-methyl-4-(5-(trifluoromethyl)pyridin-2-yl)phenyl)pentyl)benzoate (13.6 g), 1M aqueous sodium hydroxide solution (82 mL), THF (82 mL) and methanol (82 mL) was stirred at 70° C. for 7 hr. The reaction mixture was neutralized with 1M hydrochloric acid at 0° C. and extracted with ethyl acetate. The extract was washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give the title compound as a crudely purified product. This compound was used in step 1 without further purification.

Workup

extractionextracted with ethyl acetate
washThe extract was washed with water and saturated brine
dry with materialdried over anhydrous magnesium sulfate
customThe solvent was evaporated under reduced pressure

Sources & evidence

ORD record: ord-a3c9478e60fc40daad76827b5c9eba19
Source dataset: uspto-grants-2015_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09073864B2

Reaction notes

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