Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1990-01-18
1992-02-18
Springer, David B.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
558407, 546302, 514521, A01N 4340, A01N 3734, C07D21172, C07C25500
Patent
active
050895117
ABSTRACT:
A process for the preparation of trifluoromethylvinyl compounds in all their possible steroisomeric 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 stero-specific compound and all possible stero-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.
Bonin Werner
Demoute Jean-Pierre
Tessier Jean
Roussel Uclaf
Springer David B.
Whittenbaugh Robert C.
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