| 发明名称 |
2-(2,2-DIHALOGENVINYL-3,3-DIMETHYLCYCLOPROPYL)AETHANAL |
| 摘要 |
2-(2,2-Dihalovinyl-3,3-dimethylcyclopropyl)ethanal is a new chemical compound and useful intermediate in the preparation of certain pyrethroid esters. It is prepared by hydrolysis of 2-[2-(2,2-dihalovinyl)-3,3-dimethylcyclopropyl]ethylidene diacetate, preferably in the presence of an acid. |
| 申请公布号 |
DE2928835(A1) |
申请公布日期 |
1980.02.07 |
| 申请号 |
DE19792928835 |
申请日期 |
1979.07.17 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
VAN BERKEL,JOHANNES;CORNELIS KELDERMAN,HENDRIK;MARIE SYRIER,JOHANNES LEOPOLD |
| 分类号 |
B01J31/00;C07B61/00;C07C41/56;C07C43/313;C07C45/00;C07C45/51;C07C45/54;C07C47/24;C07C67/00;(IPC1-7):C07C47/24 |
主分类号 |
B01J31/00 |
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