发明授权
US4166816A Methods and intermediates for preparing cis-4-oxoazetidine intermediates
失效
顺式-4-氧代氮杂环丁烷中间体的制备方法和中间体
- 专利标题: Methods and intermediates for preparing cis-4-oxoazetidine intermediates
- 专利标题(中): 顺式-4-氧代氮杂环丁烷中间体的制备方法和中间体
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申请号: US821386申请日: 1977-08-03
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公开(公告)号: US4166816A公开(公告)日: 1979-09-04
- 发明人: John G. Gleason , Kenneth G. Holden , William F. Huffman
- 申请人: John G. Gleason , Kenneth G. Holden , William F. Huffman
- 申请人地址: PA Philadelphia
- 专利权人: SmithKline Corporation
- 当前专利权人: SmithKline Corporation
- 当前专利权人地址: PA Philadelphia
- 主分类号: A61K31/54
- IPC分类号: A61K31/54 ; C07D205/08 ; C07D205/085 ; C07D263/38 ; C07D513/04 ; C07D403/04
摘要:
The stereospecific cycloaddition of nitrogen containing acetic acid halides or anhydrides with Schiff bases having a carbalkoxy group substituted on the methine carbon atom offers new intermediates and methods for preparing synthetic cephalosporin congeners having antibacterial activity.
公开/授权文献
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