发明名称 |
3-ACYLOXYMETHYL-CEPHEM COMPOUNDS |
摘要 |
<p>Novel 3-acyloxymethyl-cephem compounds Novel 3-acyloxymethyl-cephem compounds of the formula: wherein R1 is hydrogen or an acyl group; W is acetonyl, or a group represented by -X-OH (X is an organic residue) or salts thereof were found to be useful as starting materials of such cephalosporins of the formula: wherein R3 stands for a residue of a nucleophilic compound and R1 has the same meaning as above.</p> |
申请公布号 |
CA1092095(A) |
申请公布日期 |
1980.12.23 |
申请号 |
CA19760246307 |
申请日期 |
1976.02.23 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
TSUSHIMA, SUSUMU;SENDAI, MICHIYUKI;SHIRAISHI, MITSURU |
分类号 |
A61K9/02;A61K31/43;C07D501/04;C07D501/16;C07D501/18;C07D501/26;(IPC1-7):07D501/16 |
主分类号 |
A61K9/02 |
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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