Process for preparing fluorine-containing ethane derivatives

Details Process for preparing fluorine-containing ethane derivatives Process for preparing fluorine-containing ethane derivatives

1993-04-26

1994-02-01

Lone, Werren B.

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

Organic compounds

Halogen containing

502150, 502169, 570166, 570168, C07C 1700

Patent

active

052833810

ABSTRACT:
A process for preparing fluorine-containing ethane derivatives using hydrogen fluoride and a catalytically active formulation comprising a tantalum fluorosulfonate compound or a niobium fluorosulfonate compound is described. The process is particularly suitable for preparing ethane derivatives which contain a CF.sub.3 group, for example for preparing CF.sub.3 CHCl.sub.2 (R123) from perchloroethylene.

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patent: 4967024 (1990-10-01), Gumprecht et al.
patent: 5015791 (1991-05-01), Rao
patent: 5214223 (1993-05-01), Eicher et al.
patent: 5227546 (1993-07-01), Eicher et al.

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