发明名称 |
3-Amino-2-hydroxy, halo or mercaptomethyl-4-oxoazetidines |
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.
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申请公布号 |
US4257947(A) |
申请公布日期 |
1981.03.24 |
申请号 |
US19790020293 |
申请日期 |
1979.03.14 |
申请人 |
SMITHKLINE CORPORATION |
发明人 |
GLEASON, JOHN G.;HOLDEN, KENNETH G.;HUFFMAN, WILLIAM F. |
分类号 |
C07D205/085;C07D263/38;(IPC1-7):C07D205/08;C07D403/04 |
主分类号 |
C07D205/085 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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