申请人:Eli Lilly and Company
公开号:US03937714A1
公开(公告)日:1976-02-10
Improved process for the preparation of 2-hydrazinobenzothiazoles, comprising the reaction of corresponding 2-aminobenzothiazoles with hydrazine in the presence of acid, preferably in a selected solvent.
改进的2-联苯并噻唑醇制备工艺,包括在酸存在下,将相应的2-氨基联苯并噻唑醇与肼反应,最好在选定的溶剂中进行。