Ammonium → 1,3-Diamino-4-phenylbutan-2-ol

Reaction equation

[BH4-:31].[C:11]([O:12][C:13]([CH3:14])([CH3:15])[CH3:16])(=[O:17])[NH:18][CH:19]([CH:20]([CH2:21][NH2:22])[OH:23])[CH2:24][c:25]1[cH:26][cH:27][cH:28][cH:29][cH:30]1.[CH3:35][CH2:36][OH:37].[CH:1](=[O:2])[c:3]1[cH:4][cH:5][c:6]([O:7][CH3:8])[cH:9][cH:10]1.[Cl-:33].[NH4+:34].[Na+:32]>>[NH2:18][CH:19]([CH:20]([CH2:21][NH2:22])[OH:23])[CH2:24][c:25]1[cH:26][cH:27][cH:28][cH:29][cH:30]1