[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:28]([F:31])([F:30])[F:29])=[C:6]([C:8]2[CH:13]=[CH:12][N:11]([CH:14]([CH2:20][C:21]3[CH:26]=[CH:25][N:24]=[CH:23][CH:22]=3)[C:15]([O:17]CC)=[O:16])[C:10](=[O:27])[CH:9]=2)[CH:7]=1.[OH-].[Li+]>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:28]([F:30])([F:29])[F:31])=[C:6]([C:8]2[CH:13]=[CH:12][N:11]([CH:14]([CH2:20][C:21]3[CH:26]=[CH:25][N:24]=[CH:23][CH:22]=3)[C:15]([OH:17])=[O:16])[C:10](=[O:27])[CH:9]=2)[CH:7]=1452 mg (1.0 mmol) of ethyl 2-{4-[5-chloro-2-(trifluoromethyl)phenyl]-2-oxopyridin-1(2H)-yl}-3-(pyridin-4-yl)propanoate (racemate) were hydrolysed with lithium hydroxide according to General Method 6B. Yield: 289 mg (68% of theory)
Wird geladen…