发明授权
US3984397A 2,3-Lower alkylenepenam-3-carboxylic acid derivatives and processes for
the preparation thereof
失效
2,3-低亚烷基山梨醇-3-羧酸衍生物及其制备方法
- 专利标题: 2,3-Lower alkylenepenam-3-carboxylic acid derivatives and processes for the preparation thereof
- 专利标题(中): 2,3-低亚烷基山梨醇-3-羧酸衍生物及其制备方法
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申请号: US586585申请日: 1975-06-13
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公开(公告)号: US3984397A公开(公告)日: 1976-10-05
- 发明人: Takashi Kamiya , Tsutomu Teraji , Masashi Hashimoto
- 申请人: Takashi Kamiya , Tsutomu Teraji , Masashi Hashimoto
- 申请人地址: JA Osaka
- 专利权人: Fujisawa Pharmaceutical Co., Ltd.
- 当前专利权人: Fujisawa Pharmaceutical Co., Ltd.
- 当前专利权人地址: JA Osaka
- 优先权: JA47-117385 19721122
- 主分类号: C07D499/04
- IPC分类号: C07D499/04 ; C07D499/44 ; C07D499/46 ; C07D499/50 ; C07D499/58
摘要:
A process for the preparation of ##SPC1##Which comprises reacting ##SPC2##With a base, wherein Y is a residue of an acid, wherein R.sup.1 is amino, (halophenylimino-1-lower alkanoylthiomethyl)amino or acylamino and wherein R.sup.2 is carboxy or a protected carboxy, R.sup.3 is lower alkyl, R.sup.4 is lower alkylene and X is --S-- or ##EQU1##
公开/授权文献
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