PROCESS FOR PRODUCING IMIDE COMPOUND

摘要

A process for producing an imide compound hydrochloride. It is an excellent industrial process. The process, which is for producing either the imide compound hydrochloride represented by the formula (2): or enantiomers thereof, is characterized by treating either the compound represented by the formula (1): or enantiomers thereof with an aqueous hydrochloric acid solution in a hydrophilic medium and crystallizing the resultant hydrochloride.