| 发明名称 |
PRODUCTION OF 7-AMINO-3-(2-METHYL-1-PYRAZOLIO)METHYL-3-CEPHEM-4-CARBOXYLIC ACID OR SALTS THEREOF |
| 摘要 |
<p>NEW MATERIAL:The compound of formula I. USE:Intermediate for cephalosporin compound. PREPARATION:A compound of formula II (R<1> is protected amino; R<2> is protected carboxy; X<-> is anion) [e.g. 7-(2-hydroxybenzylidene-amino)-3-(2-methyl-1-pyrazolio) methyl-3-cephem-4-carboxylic acid benzhydryl ester iodide] is subjected to the reaction to eliminate the amino- and carboxyl-protecting groups.</p> |
| 申请公布号 |
JPS6456683(A) |
申请公布日期 |
1989.03.03 |
| 申请号 |
JP19880122607 |
申请日期 |
1988.05.19 |
| 申请人 |
FUJISAWA PHARMACEUT CO LTD |
发明人 |
NAKAMURA HITOSHI;KAWAKAMI RYOICHI;YONISHI SATOSHI;MORIKI SHIGERU;MUKODA YASUSHI |
| 分类号 |
C07D501/18;C07D501/38 |
主分类号 |
C07D501/18 |
| 代理机构 |
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代理人 |
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