PROCESS FOR THE PREPARATION OF 2,3-DIHYDROAZEPINE COMPOUNDS

摘要

A process for preparing 2,3-dihydroazepine compounds of general formula (1) or salts thereof inexpensively and simply, characterized by reacting a compound of general formula (2) or a salt thereof with a compound of general formula (3) or a salt thereof to form a compound of general formula (4) or a salt thereof and subjecting the obtained compound or salt to esterification and ring-closing reaction.