Sodium triacetoxyborohydride → (3R)-3-({1-[(2R)-2-hydroxy-3-(2-methylbenzothiazol-5-yloxy)propyl](4-piperidyl)}amino)-1-(4-chlorophenyl)pyrrolidin-2-one

Reaction equation

[NH2:1][C@@H:2]1[CH2:6][CH2:5][N:4]([C:7]2[CH:12]=[CH:11][C:10]([Cl:13])=[CH:9][CH:8]=2)[C:3]1=[O:14].[OH:15][C@@H:16]([CH2:25][O:26][C:27]1[CH:28]=[CH:29][C:30]2[S:34][C:33]([CH3:35])=[N:32][C:31]=2[CH:36]=1)[CH2:17][N:18]1[CH2:23][CH2:22][C:21](=O)[CH2:20][CH2:19]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>CCO>[OH:15][C@@H:16]([CH2:25][O:26][C:27]1[CH:28]=[CH:29][C:30]2[S:34][C:33]([CH3:35])=[N:32][C:31]=2[CH:36]=1)[CH2:17][N:18]1[CH2:23][CH2:22][CH:21]([NH:1][C@@H:2]2[CH2:6][CH2:5][N:4]([C:7]3[CH:12]=[CH:11][C:10]([Cl:13])=[CH:9][CH:8]=3)[C:3]2=[O:14])[CH2:20][CH2:19]1