Process of braking triflouromethyl compounds

Details Process of braking triflouromethyl compounds Process of braking triflouromethyl compounds

1989-03-30

1990-04-24

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546301, 548127, 548128, 548129, 548134, 548135, 548136, 548142, 548202, 548204, 548213, 548214, 548319, 548477, 548479, 549417, 549474, 549475, 549478, 556442, 558357, 558407, 558432, 558434, 560124, C07D21355

Patent

active

049202316

ABSTRACT:
A process for the preparation of trifluoromethylvinyl compounds in all their possible streoisomeric forms and mixtures thereof comprising reacting a salt of trifluoroacetic acid with a halovinyl compound in the presence of a cuprous salt to obtain the same stereo-specific compound and all possible stereo-isomeric forms and mixtures thereof of 1R, trans compounds of the formula ##STR1## wherein R is an alcohol residue used in pyrethrinoid series, or an alcohol residue capable of blocking the acid function, and Z is aryl or haloaryl and the double bond has Z geometry having pesticide activity.

REFERENCES:
patent: 4485252 (1984-11-01), Fuchs et al.
patent: 4491585 (1985-01-01), Fuchs et al.

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