Potassium Cation → 2-Benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonan-7-one

Reaction equation

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