A novel water-soluble cystine C60 derivative was synthesized in the presence of the catalyst, tetrabutylammonium hydroxi......

头孢菌素类的结构改造常需要含不同侧支链的头孢菌素母核，本文以7-ACA为原料，一锅法制备7位与4位均有保护基的3．羟甲基头孢菌素中间体......