Hydrochloric Acid → 5-Biphenyl-4-yl-3-hydroxy-pentanoic acid tert-butyl ester

Reaction equation

[BH4-:1].[C:3]([CH3:4])([CH3:5])([CH3:6])[O:7][C:8]([CH2:9][C:10]([CH2:11][CH2:12][c:13]1[cH:14][cH:15][c:16](-[c:19]2[cH:20][cH:21][cH:22][cH:23][cH:24]2)[cH:17][cH:18]1)=[O:25])=[O:26].[CH3:28][OH:29].[ClH:27].[Na+:2]>>[C:3]([CH3:4])([CH3:5])([CH3:6])[O:7][C:8]([CH2:9][CH:10]([CH2:11][CH2:12][c:13]1[cH:14][cH:15][c:16](-[c:19]2[cH:20][cH:21][cH:22][cH:23][cH:24]2)[cH:17][cH:18]1)[OH:25])=[O:26]