Benzotriazol-1-ylalkyl carbonate, a new convenient and inexpensive coupling agent to prepare an active ester for the synthesis of amide

摘要

Benzotriazol-1-yl alkyl carbonate 1 has been found to be a new convenient and inexpensive coupling agent to prepare an active ester 2 for the synthesis of an amide 3 in good yield and with high purity.