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公开(公告)号:US07741478B2
公开(公告)日:2010-06-22
申请号:US11631595
申请日:2005-07-04
申请人: Udayampalayam Palanisamy Senthilkumar , Venu Sanjeevi Lakshmipathi , Gnanaprakasam Andrew , Ramasubbu Chandrasekaran , Dindigala Nagender Rao , Gaddam Om Reddy
发明人: Udayampalayam Palanisamy Senthilkumar , Venu Sanjeevi Lakshmipathi , Gnanaprakasam Andrew , Ramasubbu Chandrasekaran , Dindigala Nagender Rao , Gaddam Om Reddy
IPC分类号: C07D501/36 , C07D501/22 , C07D501/56
CPC分类号: C07D501/00
摘要: Compounds of general formula (II), wherein R1 represents R4 represents hydrogen or —CHO group, R5 represents hydrogen or trityl, R2 represents hydrogen or methoxy group, R3 represents —CH═CH2 or and M represents a dialkyl or dicycloalkyl ethylenediamine group selected from N,N′-diisobutylethylenediamine, N,N′-dicyclohexylethylenediamine, and N,N′-dicyclopentylethylenediamine, are useful in a process to make cephalosporin antibiotics of formula (I) wherein R represents hydrogen or pharmaceutically acceptable esters or alkali metals salts.
摘要翻译: 通式(II)的化合物,其中R 1表示R 4表示氢或-CHO基,R 5表示氢或三苯甲基,R 2表示氢或甲氧基,R 3表示-CH = CH 2或M表示选自以下的二烷基或二环烷基乙二胺。 N,N'-二异丙基乙二胺,N,N'-二环己基乙二胺和N,N'-二环戊基乙二胺可用于制备其中R表示氢的式(I)的头孢菌素抗生素或其药学上可接受的酯或碱金属盐。