The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 1992
Filed:
Jan. 18, 1990
Applicant:
Inventors:
Werner Bonin, Kelkheim, DE;
Jean-Pierre Demoute, Neuilly Plaisance, FR;
Jean Tessier, Vincennes, FR;
Assignee:
Roussel Uclaf, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
514357 ; 558407 ; 546302 ; 514521 ;
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.