Ammonium → 9-Benzyl-2-chloro-5-methyl-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one

Reaction equation

[Br:17][CH2:18][c:19]1[cH:20][cH:21][cH:22][cH:23][cH:24]1.[CH3:27][OH:28].[Cl-:25].[Cl:3][c:4]1[n:5][cH:6][c:7]2[c:13]([n:14]1)[NH:12][CH2:11][CH2:10][C:9](=[O:15])[N:8]2[CH3:16].[H-:1].[NH4+:26].[Na+:2]>>[Cl:3][c:4]1[n:5][cH:6][c:7]2[c:13]([n:14]1)[N:12]([CH2:18][c:19]1[cH:20][cH:21][cH:22][cH:23][cH:24]1)[CH2:11][CH2:10][C:9](=[O:15])[N:8]2[CH3:16]