Process for preparation of optically active n-substituted azetidine-2-carboxylic acids
申请人:——
公开号:US20030045730A1
公开(公告)日:2003-03-06
The object of the present invention is to produce an optically active N-substituted azetidine-2-carboxylic acid by an efficient, expedient and commercially profitable process.
The present invention provides a production method of an optically active N-substituted azetidine-2-carboxylic acid which comprises cyclizing an optically active 4-substituted amino-2-halobutyric acid in the presence of a base.