发明名称 |
5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo[4.1.0]heptan-2-ones, process for their preparation and their use for preparing cyclopropanecarboxylic acids |
摘要 |
5-Halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo[4.1.0]heptan-2-ones, process for their preparation and their use for preparing cyclopropanecarboxylic acids Compounds of the formula (I),in which Hal is Cl, Br or I, are suitable for use as intermediates in the preparation of pyrethroids.
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申请公布号 |
US6498267(B2) |
申请公布日期 |
2002.12.24 |
申请号 |
US20010981427 |
申请日期 |
2001.10.17 |
申请人 |
AVENTIS CROPSCIENCE GMBH |
发明人 |
DEMOUTE JEAN PIERRE;HOEMBERGER GUENTER;PAZENOK SERGEJ;BABIN DIDIER |
分类号 |
C07C51/09;C07C61/40;C07D311/94;(IPC1-7):C07C69/743 |
主分类号 |
C07C51/09 |
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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