| 发明名称 |
NEW CEPHEM AND CEPHAM COMPOUNDS AND PROCESSES AND PREPARATION THEREOF |
| 摘要 |
Cephem compd. (I; R1 = amino or protected amino; R2 = H or hydroxy; R3 = carboxy) was synthesized by the reaction of 7-amino-3-cephem compd.II and their reactive derivs. or salts (III) of II. Thus, 0.1561 g 7-[2-(2-amino-4-thiazolyl)glyoxyloylamino -3-cephem-4-carboxylic acid was prepd. in 3 steps using 4-nitrobenzyl-7-amino-4-carboxylate as starting material. |
| 申请公布号 |
MY8500906(A) |
申请公布日期 |
1985.12.31 |
| 申请号 |
MY19850000906 |
申请日期 |
1985.12.30 |
| 申请人 |
FUJISAWA PHARMACEUTICAL CO.LTD. |
发明人 |
TAKAO TAKAYA;HISASHI TAKASUGI;KIYOSHI TSUJI;TOSHIYUKI CHIBA;ZENZABURU TAZUKA |
| 分类号 |
C07C251/38;A61K31/545;A61K31/546;A61P31/04;C07C251/52;C07C251/60;C07D277/20;C07D277/38;C07D277/40;C07D277/42;C07D277/44;C07D277/46;C07D285/06;C07D501/14;C07D501/20;C07D501/22;C07D501/28;C07D501/34;C07D501/59 |
主分类号 |
C07C251/38 |
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