Process for production of 1,2,2,2-tetrafluoroethyl difluoromethy

Details Process for production of 1,2,2,2-tetrafluoroethyl difluoromethy Process for production of 1,2,2,2-tetrafluoroethyl difluoromethy

1990-01-04

1991-06-25

Mars, Howard T.

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

Organic compounds

Oxygen containing

C07C 4122

Patent

active

050269240

ABSTRACT:
A process is provided for the low temperature preparation of CF.sub.3 CHFOCHF.sub.2 which comprises reacting CF.sub.3 CHClOCHF.sub.2 with hydrogen fluoride in the presence of an antimony pentachloride catalyst or mixture of antimony pentachloride and antimony trichloride.

REFERENCES:
patent: 2005705 (1935-06-01), Dandt et al.
patent: 2005708 (1935-06-01), Dandt et al.
patent: 3535388 (1970-10-01), Terrell
patent: 3869519 (1975-03-01), Terrell
patent: 3962460 (1976-06-01), Croix et al.

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