Synthesis of 2-(perfluoroalkyl) ethanethiols

Details Synthesis of 2-(perfluoroalkyl) ethanethiols Synthesis of 2-(perfluoroalkyl) ethanethiols

1988-01-11

1989-07-04

Ceperley, Mary E.

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

Organic compounds

Sulfur containing

C07C14916

Patent

active

048453005

ABSTRACT:
The subject of the invention is a process for the preparation of 2-(perfluoroalkyl)ethanethiols R.sub.f CH.sub.2 CH.sub.2 SH, R.sub.f denoting a straight-chain or branched perfluoroalkyl radical containing from 2 to 20 carbon atoms. The proceses comprises reacting a 2-(perfluoroalkyl)ethyl iodide with thiourea and then decomposing the isothiouronium salt formed with an alkaline base, and is characterized in that it is carried out in a non-alcoholic inert solvent.

REFERENCES:
patent: 3088849 (1963-05-01), Friedlander
patent: 3172910 (1965-03-01), Brace
patent: 3544663 (1970-12-01), Haupstschein et al.
E. Reid, Organic Chemistry of Bivalent Sulfur, vol. 1, pp. 32-35, Chemical Publishing Co., N.Y. (1958).
Organic Syntheses, Collective, vol. 3, New York, John Wiley & Sons, Inc., London, pp. 362-365.

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