申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US04198339A1
公开(公告)日:1980-04-15
Substituted 1,3-dithietane-2-carboxylic acid derivatives useful as intermediates for the preparation of highly effective penicillin and cephalosporin derivatives and the preparation thereof.
1,3-二噻吩-2-羧酸衍生物可用作高效青霉素和头孢菌素衍生物的中间体,并可用于其制备。