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公开(公告)号:US4736026A
公开(公告)日:1988-04-05
申请号:US879540
申请日:1986-06-24
申请人: Hiroyuki Imaizumi , Takihiro Inaba , Seishi Morita , Ryuko Takeno , Yoshiharu Murotani , Hirohiko Fukuda , Junichi Yoshida , Kiyoshi Tanaka , Shuntaro Takano , Isamu Saikawa
发明人: Hiroyuki Imaizumi , Takihiro Inaba , Seishi Morita , Ryuko Takeno , Yoshiharu Murotani , Hirohiko Fukuda , Junichi Yoshida , Kiyoshi Tanaka , Shuntaro Takano , Isamu Saikawa
IPC分类号: C07D501/48 , C07D277/20 , C07D277/40 , C07D501/06 , C07D501/46 , C07D501/56
CPC分类号: C07D277/587
摘要: The invention relates to a process for producing a cephalosporin of the formula ##STR1## by reacting the compound ##STR2## with the compound ##STR3## in the presence of boron trifluoride or a complex thereof.
摘要翻译: 本发明涉及通过在三氟化硼或其复合物存在下使化合物< IMAGE>(顺式异构体)与化合物< IMAGE>反应来制备式“头孢菌素”(顺式异构体)的方法。
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2.Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates 失效
标题翻译: 制备2-(2-氨基噻唑-4-基)乙醛酸衍生物或其盐的方法及其中间体及其制备方法公开(公告)号:US4563534A
公开(公告)日:1986-01-07
申请号:US504317
申请日:1983-06-14
申请人: Hiroshi Sadaki , Hiroyuki Imaizumi , Kenji Takeda , Takihiro Inaba , Ryuko Takeno , Seishi Morita , Tetsuya Kajita , Isamu Saikawa
发明人: Hiroshi Sadaki , Hiroyuki Imaizumi , Kenji Takeda , Takihiro Inaba , Ryuko Takeno , Seishi Morita , Tetsuya Kajita , Isamu Saikawa
IPC分类号: C07C20060101 , C07C45/63 , C07C45/79 , C07C45/82 , C07C49/16 , C07D277/28 , C07D277/38 , C07D277/40 , C07D277/42 , C07D277/44 , C07D277/46 , C07D277/48
CPC分类号: C07C45/63 , C07C45/79 , C07C45/82 , C07C49/16 , C07D277/40 , C07D277/48 , Y02P20/55
摘要: This invention relates to a novel process for producing a 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof which are useful in producing a cephalosporin antibiotic, and to intermediates for said derivative and salt and a process for producing the intermediates.
摘要翻译: 本发明涉及可用于制备头孢菌素抗生素的2-(2-氨基噻唑-4-基)乙醛酸衍生物或其盐的新方法,以及所述衍生物和盐的中间体及其制备方法 中间体。
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公开(公告)号:US4656287A
公开(公告)日:1987-04-07
申请号:US753942
申请日:1985-07-11
申请人: Hiroyuki Imaizumi , Takihiro Inaba , Seishi Morita , Ryuko Takeno , Yoshiharu Murotani , Hirohiko Fukuda , Junichi Yoshida , Kiyoshi Tanaka , Shuntaro Takano , Isamu Saikawa
发明人: Hiroyuki Imaizumi , Takihiro Inaba , Seishi Morita , Ryuko Takeno , Yoshiharu Murotani , Hirohiko Fukuda , Junichi Yoshida , Kiyoshi Tanaka , Shuntaro Takano , Isamu Saikawa
IPC分类号: C07D501/48 , C07D277/20 , C07D277/40 , C07D501/06 , C07D501/46 , C07D501/56 , C07D277/38
CPC分类号: C07D277/587
摘要: This invention relates to a novel aminothiazole intermediate for production of a cephalosporin of antibiotic activity.
摘要翻译: 本发明涉及用于产生抗生素活性的头孢菌素的新的氨基噻唑中间体。
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4.Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates 失效
标题翻译: 制备2-(2-氨基噻唑-4-基)乙醛酸衍生物或其盐的新方法及其中间体及其制备方法公开(公告)号:US4667040A
公开(公告)日:1987-05-19
申请号:US753068
申请日:1985-07-09
申请人: Hiroshi Sadaki , Hiroyuki Imaizumi , Kenji Takeda , Takihiro Inaba , Ryuko Takeno , Seishi Morita , Tetsuya Kajita , Isamu Saikawa
发明人: Hiroshi Sadaki , Hiroyuki Imaizumi , Kenji Takeda , Takihiro Inaba , Ryuko Takeno , Seishi Morita , Tetsuya Kajita , Isamu Saikawa
IPC分类号: C07C20060101 , C07C45/63 , C07C45/79 , C07C45/82 , C07C49/16 , C07D277/28 , C07D277/38 , C07D277/40 , C07D277/42 , C07D277/44 , C07D277/46 , C07D277/48
CPC分类号: C07C45/63 , C07C45/79 , C07C45/82 , C07C49/16 , C07D277/40 , C07D277/48 , Y02P20/55
摘要: This invention relates to a novel process for producing a 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof which are useful in producing a cephalosporin antibiotic, and to intermediates for said derivative and salt and a process for producing the intermediates.
摘要翻译: 本发明涉及可用于制备头孢菌素抗生素的2-(2-氨基噻唑-4-基)乙醛酸衍生物或其盐的新方法,以及所述衍生物和盐的中间体及其制备方法 中间体。
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