Process for the production of bis(fluoromethyl)ether

Details Process for the production of bis(fluoromethyl)ether Process for the production of bis(fluoromethyl)ether

1995-09-05

1997-04-22

Behrend, Harvey E.

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

Organic compounds

Oxygen containing

C07C 4122, C07C 4142

Patent

active

056230915

ABSTRACT:
A composition comprising bis(fluoromethyl)ether and less than an equimolar amount of water, a process for the production of the composition comprising contacting formaldehyde with hydrogen fluoride and separating at least some of the by-product water from bis(fluoromethyl)ether, and use of the composition for the production of difluoromethane.

REFERENCES:
patent: 3377394 (1968-04-01), Boudakian et al.
patent: 5344998 (1994-09-01), Martin et al.
patent: 5386064 (1995-01-01), Woodcock et al.
patent: 5446215 (1995-08-01), Cook et al.
patent: 5463139 (1995-10-01), Butcher et al.
Weinmayr, Viktor, Hydrogen Fluoride as a Condensing Agent, VI. Reactions of Fluoroolefins with Formaldehyde in Hydrogen Fluoride, Journal of Org. Chem., vol. 28, Feb. 1963, pp. 492-494.
Sokol'skii, G.A., Fluoromethyl Esters of Sulfuric Acid, VII. Stability of Difluoromethyl Esters of Fluorosulfonic and Alkylsulfuric Acids, Translated from Zhurnal Obshchei Khimii, vol. 32, No. 4, pp. 1310-1314, Apr. 1962.
Darragh et al., Journal of Inorganic Nucl. Chemistry, 1970, vol. 32, pp. 1745-1747.
Hasek et al., J.A.C.S., vol. 82, pp. 543-551 (1913).

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