| 发明名称 |
Dimethyl formiminium chloride chlorosulphate derivatives useful as intermediates for producing cephalosporins |
| 摘要 |
This invention relates to reactive derivatives of 2-(2-aminothiazol-4-yl)-2-methoxyimino acetic acid and 1H-tetrazol-1-acetic acid of the following general formula I, <IMAGE> wherein R3= <IMAGE>anufacture of cephalosporin antibiotics such as cefotaxime, ceftriaxone and cefazolin.
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| 申请公布号 |
US5739346(A) |
申请公布日期 |
1998.04.14 |
| 申请号 |
US19960624737 |
申请日期 |
1996.03.26 |
| 申请人 |
LUPIN LABORATORIES LIMITED |
发明人 |
DATTA, DEBASHISH;GEORGE, VINOD;RAI, BISHWA PRAKASH |
| 分类号 |
C07D257/04;C07D277/20;C07D501/00;C07D501/34;C07D501/36;(IPC1-7):C07D277/587 |
主分类号 |
C07D257/04 |
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