发明名称 |
PROCESS FOR PREPARING PRIMARY 3-CARBAMOYLOXYMETHYL CEPHALOSPORINS |
摘要 |
<p>Primary 3-carbamoyloxymethyl cephalosporins are prepared from corresponding 3-hydroxymethyl cephalosporins by their reaction with an appropriate isocyanate followed by selective cleavage of the resulting N-substituted 3-carbamoyloxymethyl cephalosporin.</p> |
申请公布号 |
CA1014548(A) |
申请公布日期 |
1977.07.26 |
申请号 |
CA19730161874 |
申请日期 |
1973.01.23 |
申请人 |
ELI LILLY AND COMPANY |
发明人 |
WEBBER, JOHN A. |
分类号 |
A61K31/545;C07D;C07D205/00;C07D279/00;C07D501/00;C07D501/04;C07D501/06;C07D501/16;C07D501/18;C07D501/20;C07D501/24;C07D501/26;C07D501/32;C07D501/38;C07D501/57;C07D501/60;C07F7/18 |
主分类号 |
A61K31/545 |
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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