Process for preparation of TFPX-dichloride

Details Process for preparation of TFPX-dichloride Process for preparation of TFPX-dichloride

1998-01-06

2000-11-21

Truong, Duc

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From halogenated hydrocarbon reactant

528392, 528401, 528497, 528499, 528501, 528502R, 528503, C08G 6100

Patent

active

061504998

ABSTRACT:
A method for the synthesis of TFPX-dichloride is disclosed. The method involves reacting hexachloro-p-xylene with anhydrous HF in an inert organic solvent. The reaction is advantageous in that it produces relatively high yields of TFPX-dichloride, provides little waste, and is carried out as a simple, one-step process.

REFERENCES:
Milos Hudlicky, "Chemistry of Organic Fluorine Compounds", 2.sup.nd Edition, Ellis Horwood Limited, New York, pp. 96, 103, 105, 112-128, 130 and 759, 795 and 763 1976.
Milos Hudlicky and Attila E. Pavlath, "Chemistry of Organic Fluorine Compounds II, A Critical Review".
Milos Monograph 187, American Chemical Society, Washington, D.C., pp. 187-192 and p. 198, 1995.
Occidental Chemical Corporation, Specialty Chemicals, p-Xylene Derivatives.

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