Process for producing guanidines such as linogliride and process for intermediates
申请人:McNeilab, Inc.
公开号:EP0195620A2
公开(公告)日:1986-09-24
Novel synthetic steps and intermediates leading to guanidines such as the anti-diabetic compound linogliride. Included is a hydrogen peroxide oxidation of a thiourea (II) to a sulfonic acid (I) which may then be reacted with morpholine to form the carboximidamide (III):