Facsimile and static presentation processing – Facsimile – Synchronization
Patent
1986-03-28
1989-03-28
Ceperley, Mary E.
Facsimile and static presentation processing
Facsimile
Synchronization
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, C07C12152, C07C12162
Patent
active
048165964
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:
REFERENCES:
patent: 3419595 (1968-12-01), Hansen
patent: 4287125 (1981-01-01), Soula
patent: 4643811 (1987-02-01), Langlois
Camps et al., "A Simple Method for Preparation of Aryl, 2,2,2-Trifluoroethyl Ethers", Synthesis No. 9, pp. 727-728 (980).
Nakai et al., "A Convenient Preparation of Arylthioynamines", Bulletin of the Chemical Society of Japan, vol. 50, No. 11, pp. 3069-3070 (1977).
W. P. Weber et al, Phase Transfer Catalysis in Organic Synthesis, pp. 1-15, Springer-Verlag, New York (1977).
Ceperley Mary E.
Rhone-Polenc Specialites Chimoues
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