Process for preparation of fluorinated hydrocarbons

Details Process for preparation of fluorinated hydrocarbons Process for preparation of fluorinated hydrocarbons

1997-01-02

1998-06-23

Geist, Gary

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

Organic compounds

Halogen containing

570168, C07C 1708

Patent

active

057707790

ABSTRACT:
This invention is a process for the selective preparation of fluorinated hydrocarbons from chlorinated hydrocarbons while minimizing formation of oligomeric and polymeric byproducts. The process comprises providing a liquid phase containing chlorinated hydrocarbon, HF, a tin catalyst, and at least one compound selected from the group consisting of metal and nonmetal alkoxides, and heating the mixture and isolating the fluorinated hydrocarbon formed.

REFERENCES:
patent: 3536769 (1970-10-01), Shigeru Seki et al.
patent: 4766258 (1988-08-01), Komatsu et al.
patent: 4968850 (1990-11-01), Franklin et al.
Pazderskii, Yu. A. et al., Ethyl Fluoride, Chemical Abstract, vol. 87, No. 21, p. 531 "Abstract", 1977.

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