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公开(公告)号:US3882108A
公开(公告)日:1975-05-06
申请号:US24108772
申请日:1972-04-04
申请人: GLAXO LAB LTD
IPC分类号: C07D20060101 , C07D501/04 , C07D501/18 , C07D501/60 , C07D99/24
CPC分类号: C07D501/18
摘要: A process for preparing a 7-aminocephalosporin from a 7 Beta acylamidocephalosporin by the imide halide technique in which the 4-carboxyl group of the 7 Beta -acylamido cephalosporin is first protected by reaction with a phosphorus trihalide, particularly phosphorus trichloride.
摘要翻译: 通过酰亚胺卤化物技术从7β-酰胺基头孢菌素制备7-氨基头孢菌素的方法,其中7β-酰氨基头孢菌素的4-羧基首先通过与三卤化磷,特别是三氯化磷的反应来保护。