Gas-phase fluorination process

Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing

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570166, C07C 1704, C07C 1720, C07C 1902

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active

050269305

ABSTRACT:
An improved gas-phase process for the manufacture of 1,1-difluoro-1,2-dichloroethane and/or 1-fluoro-1,1,2-trichloroethane by contacting a suitable trihaloethylene and/or a tetrahaloethane with hydrogen fluoride in the presence of a metal in combination with a high fluorine content aluminum-containing compound, the reaction being preferably conducted under controlled conditions whereby the production of 1,1,1-trifluorochloroethane is minimized.

REFERENCES:
patent: 3258500 (1966-06-01), Swamer et al.
patent: 3755477 (1973-08-01), Firth et al.
patent: 4766259 (1988-09-01), Manzer et al.

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