Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Patent
1993-05-24
1993-12-28
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
570134, 570136, C07C 1716, C07C 1902
Patent
active
052741893
ABSTRACT:
This invention relates to a process for producing linear hydrofluorocarbons of the formula XCF.sub.2 (CF.sub.2).sub.n CH.sub.2 F, where X is H or F, and n is 1 to 7 when X is H, and n is 0 to 7 when X is F, by a vapor phase catalytic reaction of HF and phosgene or sulfuryl chloride with corresponding compounds of the formula XCF.sub.2 (CF.sub.2).sub.n CH.sub.2 OZ where Z is H or --C(O)OCH.sub.2 (CF.sub.2).sub.n CF.sub.2 X.
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Nappa Mario J.
Sievert Allen C.
E. I. Du Pont de Nemours and Company
Evans Joseph E.
Evans Susan Borden
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