申请人:American Cyanamid Company
                            
                            
                                公开号:US04803280A1
                            
                            
                                公开(公告)日:1989-02-07
                            
                            Intermediates useful for synthesis of cephalosporins are disclosed, which intermediates are concerned with 1,2,3-thiadiazole-4-thiolates and the preparation of such thiolates.
                            用于
头孢菌素合成的中间体已被披露,这些中间体涉及1,2,3-
噻二唑-4-
硫酸酯和这种
硫酸酯的制备。