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公开(公告)号:US5883236A
公开(公告)日:1999-03-16
申请号:US974085
申请日:1997-11-19
申请人: John E. Hengeveld , Xiaoxing Dong , Ashok K. Gupta , Richard R. Copp, Jr. , Ramiya H. Premchandran
发明人: John E. Hengeveld , Xiaoxing Dong , Ashok K. Gupta , Richard R. Copp, Jr. , Ramiya H. Premchandran
IPC分类号: A61K31/7042 , A61K31/7048 , A61P31/04 , C07H17/08 , C07H1/00
CPC分类号: C07H17/08
摘要: Disclosed is an improved and efficient process for N-desmethylating the 3'-amino nitrogen of erythromycins and for converting the 3'-N-desmethylated erythromycins into 3'-N-substituted derivatives of 8,9-anhydro-erythromycin 6,9-hemiketals.
摘要翻译: 公开了一种改进和有效的将去甲基化的红霉素的3'-氨基氮并将3'-N-去甲基化的红霉素转化为8,9-脱水 - 红霉素6,9-三甲基化的3'-取代衍生物的方法, 半缩进。