| 发明名称 |
PROCESS FOR PREPARING 3-ACYLOXYMETHYL-2-CEPHEM COMPOUNDS |
| 摘要 |
A 3-exomethylenecepham sulfoxide ester is reacted with a mixture of a carboxylic acid of the formula <IMAGE> and the corresponding anhydride of said carboxylic acid at a temperature of from about 70 DEG C. to about 130 DEG C. to produce the corresponding 3-acyloxymethyl- DELTA 2-cephem. This product is useful as an intermediate in the preparation of antibiotically active cephalosporins. |
| 申请公布号 |
ZA7607129(B) |
申请公布日期 |
1978.06.28 |
| 申请号 |
ZA19760007129 |
申请日期 |
1976.11.29 |
| 申请人 |
LILLY CO ELI |
发明人 |
TA SEN CHOU;KOPPEL G |
| 分类号 |
A61K;C07C;C07D;C07D501/00;C07D501/04;C07D501/60 |
主分类号 |
A61K |
| 代理机构 |
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