Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
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.
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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).
Burgess Leslie
Butcher Jane L.
Ryan Thomas A.
Behrend Harvey E.
Hardee John R.
Imperial Chemical Industries plc
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