发明名称 |
7-(S)-acylaminocephalosporin sulfones and process. |
摘要 |
<p>This invention encompasses 7-(S)-acylamino-3-acetoxymethyl-3-cephem-4-carboxylic acid sulfones and the epimerization process for making them. The epimerization process empolys an organic nitrogen base reagent having a pKa between about 9.0 to about 11.5. The compounds of this invention are intermediates in the synthesis of 1-oxa-β-lactam antibiotics.</p> |
申请公布号 |
EP0109301(A2) |
申请公布日期 |
1984.05.23 |
申请号 |
EP19830306940 |
申请日期 |
1983.11.14 |
申请人 |
ELI LILLY AND COMPANY |
发明人 |
HALL, DAVID ALFRED |
分类号 |
C07D;C07D501/04;C07D501/20;C07D501/26;C07D501/32;(IPC1-7):07D501/04;07D501/26 |
主分类号 |
C07D |
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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