1,3-dihydro-1,3-diacetyl-2H-benzimida-zol-2-one: A new versatile and selective acetylating agent

Abstract

1,3-Dihydro-1,3-diacetyl-2H-benzimidazol-2-one (4, DABI) was proven to be a versatile and selective acetylating agent for amines. Selectivity and reactivity are not only superior than those of other known acetylating agents, but also products could be easily separated with excellent yield.