Dimethyl Sulfate → 6-Benzoyl-1-methyl-2-(2-pyridylsulfinylmethyl)benzimidazole

Reaction equation

[C:1]([C:9]1[CH:26]=[CH:25][C:12]2[N:13]=[C:14]([CH2:16][S:17]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=3)=[O:18])[NH:15][C:11]=2[CH:10]=1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[OH-].[Na+].S(OC)(O[CH3:33])(=O)=O>C(O)C.O>[C:1]([C:9]1[CH:26]=[CH:25][C:12]2[N:13]([CH3:33])[C:14]([CH2:16][S:17]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=3)=[O:18])=[N:15][C:11]=2[CH:10]=1)(=[O:8])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1.[C:1]([C:9]1[CH:26]=[CH:25][C:12]2[N:13]=[C:14]([CH2:16][S:17]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=3)=[O:18])[N:15]([CH3:33])[C:11]=2[CH:10]=1)(=[O:8])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1