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:
Mar. 28, 1989
Filed:
Mar. 28, 1986
Applicant:
Inventor:
Bernard Langlois, Lyon, FR;
Assignee:
Rhone-Polenc Specialites Chimoues, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
358423 ; 558425 ; 560 10 ; 560 18 ; 560 56 ; 560 65 ; 568 43 ; 568 44 ; 568 52 ; 568 54 ; 568 56 ; 568328 ; 568333 ; 568588 ; 568633 ; 568637 ; 568649 ; 568655 ; 568656 ;
Abstract
A process for preparing substituted or unsubstituted trifluoroethoxy- or trifluoroethylthiobenzenes by reaction of a phenol or thiophenol, both of which may be substituted or unsubstituted, with a compound of the formula CF.sub.3 --CH.sub.2 --O--R', where R' is a moiety selected from the group consisting of trifluoroacetyl, methanesulfonyl, paratoluenesulfonyl, trichloromethanesulfonyl and chlorosulfonyl, in the presence of a strong alkaline base and a complexing agent of the formula: