| 发明名称 |
PROCESS FOR PRODUCING OPTICALLY ACTIVE CYCLOPENTENOLONES |
| 摘要 |
Optically active cyclopentenolones, which are useful as an intermediate of pyrethroid insecticides, are produced from racemic cyclopentenolones according to the following procedures; (1) asymmetric hydrolysis of racemic carboxylate esters of the cyclopentenolones, (2) nitrate- or sulfonate-esterification of the asymmetrical hydrolysis products, and (3) hydrolysis of the esterification products. |
| 申请公布号 |
EP0127386(A3) |
申请公布日期 |
1985.09.18 |
| 申请号 |
EP19840303327 |
申请日期 |
1984.05.16 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
UMEMURA, TAKEAKI;INOUE, AYUMU;MITSUDA, SATOSHI |
| 分类号 |
C07C45/64;C07C45/67;C07C49/707;C07C49/743;C07C203/08;C12P7/26;C12P41/00;(IPC1-7):C07C49/707;C07C143/68;C07C77/02 |
主分类号 |
C07C45/64 |
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