Fluoro alcohols and insecticidal esters thereof

Details Fluoro alcohols and insecticidal esters thereof Fluoro alcohols and insecticidal esters thereof

1986-08-18

1987-12-22

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

560124, 568812, C07B 4900

Patent

active

047147903

ABSTRACT:
The invention concerns a process for preparing 2-substituted-3,4,5,6-tetrafluorobenzyl alcohols by reaction of pentafluorobenzyl alcohol with a Grignard reagent under specified conditions. The products some of which are novel are useful as intermediates for insecticidal esters e.g. those with pyrethroid acids. A typical ester is 2-methyl-3,4,5,6-tetrafluorobenzyl 3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropane carboxylate.

REFERENCES:
patent: 4405640 (1983-09-01), Punja
I. L. Finar, "Organic Chemical" (vol. 1), Longmans, Green and Co. (1959), p. 333.

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