PROCESS FOR THE MANUFACTURE OF AGOMELATINE AND ITS INTERMEDIATE
申请人:Zhang Guisen
公开号:US20110130571A1
公开(公告)日:2011-06-02
A process for the manufacture of agomelatine and its intermediate N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide is provided and includes reacting 7-methoxy-1-naphthyl ethanol (III) with benzenesulfonyl chloride to obtain 7-methoxy-1-naphthylethyl benzene sulfonate (IV), which is reacted with potassium phthalimide to produce N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide (II); and subjecting N-[2-(7-methoxy-
1
-naphthyl)ethyl]phthalimide (II) to alkaline hydrolysis and acetylation, to obtain agomelatine.