The invention concerns novel compounds of the formula I STR1 wherein A, B, D and E are chosen from hydrogen, halogen, C1 to C6 alkyl, C1 to C6 haloalkyl and C1 to C6 alkoxy and Z is a tertiary or quaternary amino group. The compounds are useful intermediates for the preparation of pyrethroids. In further embodiments the invention provides processes for the preparation of the compounds of formula I and processes for the synthesis of pyrethroids utilizing the compounds of formula I.
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(2008/06/13)
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