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公开(公告)号:US3984401A
公开(公告)日:1976-10-05
申请号:US422748
申请日:1973-12-07
申请人: Shinji Terao , Mitsuru Shiraishi , Toshio Miyawaki , Isao Minamida , Masayoshi Yamaoka , Yoshio Imashiro , Mitsuo Numata
发明人: Shinji Terao , Mitsuru Shiraishi , Toshio Miyawaki , Isao Minamida , Masayoshi Yamaoka , Yoshio Imashiro , Mitsuo Numata
IPC分类号: A61K31/545 , C07D501/04 , C07D501/16 , C07D501/26 , C07D501/60 , C07D513/14 , C07D515/14
CPC分类号: C07D501/04 , C07D501/26
摘要: A 3-hydroxymethylcephalosporin which is not protected at the carboxyl group can be directly oxidized with a hexavalent chromium compound to give in good yield a lactol type cephalosporin represented by the general formula: ##SPC1##Wherein R.sup.1 is hydrogen or an alkoxy group and R.sup.2 is an acylamino, or imido group. The resulting compounds are very useful and important as intermediates for preparing, e.g. 3-alkoxyiminomethyl cephalosporins.
摘要翻译: 在羧基上未被保护的3-羟甲基头孢菌素可以用六价铬化合物直接氧化,得到良好的产率,由通式表示的乳糖型头孢菌素:
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公开(公告)号:US4012379A
公开(公告)日:1977-03-15
申请号:US514991
申请日:1974-10-15
IPC分类号: C07D501/06 , A61K31/43 , A61K31/545 , A61K31/546 , A61P31/04 , C07D501/20 , C07D501/22 , C07D501/24 , C07D501/26 , C07D501/28 , C07D501/36 , C07D501/60
CPC分类号: C07D501/24
摘要: Novel compounds of the formula: ##STR1## wherein X is a lower alkanoyloxy group or a substituted thio group, where the substituent is a nitrogen-containing heterocyclic group, or a pharmaceutically acceptable salt or ester thereof, have a broad antimicrobial spectrum, and besides they are readily absorbed into the living body. Thus, the compounds are useful as therapeutic agent for various bacterial infections of animals including human beings.
摘要翻译: 下式的新型化合物:其中X为低级烷酰氧基或取代硫基,其中取代基为含氮杂环基,或其药学上可接受的盐或酯具有广泛的抗菌谱,此外 它们容易吸收到生物体内。 因此,这些化合物可用作包括人在内的动物的各种细菌感染的治疗剂。
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