5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo[4.1.0]heptan-2-...

Details 5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo[4.1.0]heptan-2-... 5-halo-4-fluoro-4,7,7-trimethyl-3-oxabicyclo[4.1.0]heptan-2-...

C - Chemistry, Metallurgy

07

D

C07D 311/94 (2006.01) C07C 51/09 (2006.01)

Patent

CA 2390837

The invention relates to 5-halo-4-fluoro-4,7,7-trimethyl-3- oxabicyclo[4.1.0]heptane-2-ones, to a method for their production and to their use in the production of cyclopropane carboxylic acids. The invention relates to the compounds of formula (I), wherein Hal represents Cl, Br, or I. The inventive compounds are useful as the intermediates in the production of pyrethroids.

L'invention concerne des 5-halo-4-fluoro-4,7,7-triméthyl-3-oxabicyclo[4.1.0]heptan-2-ones, des procédés permettant de les préparer et leur utilisation pour produire des acides cyclopropane-carboxyliques. L'invention concerne des composés de la formule (I) dans laquelle Hal désigne Cl, Br ou I, qui s'utilisent comme produits intermédiaires pour produire des pyrèthroïdes.

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