Diisobutylaluminumhydride → [(4S)-4-{[tert-Butyl(dimethyl)silyl]oxy}-7-cyclopentyl-5-(4-fluorophenyl)-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl][4-(trifluoromethyl)phenyl]methanol

Reaction equation

[Si:1]([O:8][C@@H:9]1[C:18]2[C:13](=[CH:14][C:15]([CH:38]3[CH2:42][CH2:41][CH2:40][CH2:39]3)=[C:16]([C:26]([C:28]3[CH:33]=[CH:32][C:31]([C:34]([F:37])([F:36])[F:35])=[CH:30][CH:29]=3)=[O:27])[C:17]=2[C:19]2[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=2)[O:12][C:11]([CH3:44])([CH3:43])[CH2:10]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[H-].C([Al+]CC(C)C)C(C)C.[Na].C(C(C(C([O-])=O)O)O)([O-])=O.[K+].[K+]>C1(C)C=CC=CC=1>[Si:1]([O:8][C@@H:9]1[C:18]2[C:13](=[CH:14][C:15]([CH:38]3[CH2:39][CH2:40][CH2:41][CH2:42]3)=[C:16]([CH:26]([C:28]3[CH:33]=[CH:32][C:31]([C:34]([F:36])([F:37])[F:35])=[CH:30][CH:29]=3)[OH:27])[C:17]=2[C:19]2[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=2)[O:12][C:11]([CH3:44])([CH3:43])[CH2:10]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]