| 发明名称 |
4-FLUORO-3-PHENOXY-BENZALDEHYDE ACETALS, PROCESS FOR THEIR PREPARATION, INTERMEDIATE PRODUCTS THEREFOR AND PROCESS FOR THEIR PREPARATION |
| 摘要 |
The new compound <IMAGE> is prepared and converted to the new acetal <IMAGE> which is reacted with an alkali phenolate or alkaline earth metal phenolate in the presence of copper or a copper compound as a catalyst and in the presence of a diluent at a temperature between about 100 DEG and 200 DEG C. to produce the new acetal <IMAGE> which can be hydrolyzed to the corresponding aldehyde which is a known intermediate for pyrethroid-like insecticides. |
| 申请公布号 |
EP0024624(A3) |
申请公布日期 |
1981.06.17 |
| 申请号 |
EP19800104747 |
申请日期 |
1980.08.12 |
| 申请人 |
BAYER AG |
发明人 |
FUCHS, RAINER, DR.;MAURER, FRITZ, DR.;PRIESNITZ, UWE, DR.;RIEBEL, HANS-JOCHEM, DR.;KLAUKE, ERICH, DR. |
| 分类号 |
C07B61/00;C07C41/00;C07C41/48;C07C41/50;C07C43/313;C07C43/315;C07C45/00;C07C45/29;C07C45/30;C07C45/59;C07C45/63;C07C47/55;C07C47/575;C07C67/00;C07D317/16;C07D317/22;C07D319/06 |
主分类号 |
C07B61/00 |
| 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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