Pyridine → 4-[3-[N-(acetylglycyl)-N-methylamino]-2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazole

Participants

Reaction Steps

To a solution of 4-[3-(N-glycyl-N-methylamino) -2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazole (80 mg) in dichloromethane (0.8 ml) were added pyridine (23.3 mg) and acetic anhydride (30.1 mg) at ambient temperature, and the mixture was stirred for 1 hour at the same temperature. The solvent was removed with toluene azeotropically three times. The residue was purified by preparative thin layer chromatography (dichloromethane:methanol=10:1, v/v) to give 4-[3-[N-(acetylglycyl)-N-methylamino]-2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazole (75 mg).

Provenance & Evidence