Ammonium → 4-Hydroxy-7-methoxy-3-(4-methoxyphenyl)-3-methylthiochroman

Reaction equation

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