| 发明名称 |
Preparation and use of 7-[(2-carboalkoxy-1-methylethenyl)amino]-3-hydroxymethyl-3-cephem-4-carboxylic acids |
| 摘要 |
This invention relates to a method of producing 3-alkanoyloxymethyl-3-cephem-4-carboxylic acids from 3-hydroxymethyl-3-cephem-4-carboxylic acids in an aqueous medium for a practical, large-scale production. Moreover, the invention provides an ideal intermediate for the process.
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| 申请公布号 |
US5552542(A) |
申请公布日期 |
1996.09.03 |
| 申请号 |
US19950438322 |
申请日期 |
1995.05.10 |
| 申请人 |
BRISTOL-MYERS SQUIBB COMPANY |
发明人 |
REID, J. GREGORY;BRODFUEHRER, PAUL R.;SMITH, PATRICK R. |
| 分类号 |
C07D501/00;C07D501/04;C07D501/16;C07D501/18;C07D501/28;(IPC1-7):C07D501/18 |
主分类号 |
C07D501/00 |
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