Acetic Anhydride → 6-Acetylamino-1-(2-chlorobenzyl)-2-n-propylbenzimidazole

Participants

Reaction Steps

Acetic anhydride (62 mg) was added to a solution of 150 mg of 6-amino-1-(2-chlorobenzyl)-2-n-propylbenzimidazole and 61 mg of triethylamine in 3 ml of methylene chloride at room temperature, and the mixture was stirred for 1 hour. The reaction mixture was washed with water, and was then dried. The solvent was distilled off under reduced pressure. The residue was crystallized with ether to give 143 mg of 6-acetylamino-1-(2-chlorobenzyl)-2-n-propylbenzimidazole (89).

Provenance & Evidence