[Br:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[O:13])[C:9]([F:12])([F:11])[F:10])=[C:4]([CH3:14])[CH:3]=1.BrC1C=CC([C@@H](O)C(F)(F)F)=C(N2C=CC(C)=N2)C=1>[Ir]>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([C@@H:8]([OH:13])[C:9]([F:11])([F:12])[F:10])=[C:4]([CH3:14])[CH:3]=1Chiral reduction of 1-(4-bromo-2-methylphenyl)-2,2,2-trifluoroethanone using the Iridium complex-catalyzed hydrogenation as described for Intermediate 1, (R)-1-(4-bromo-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethanol provides (R)-1-(4-bromo-2-methylphenyl)-2,2,2-trifluoroethanol.
Wird geladen…