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US 4,900,874 AGranted
Method for producing fluorine-containing olefin
AssigneeDaikin Industries, Ltd.
InventorsKiyohiko Ihara, Fumihiko Yamaguchi, Shinichi Yamane
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Abstract
A method for producing a fluorine-containing olefin represented by formula (I): Ch.sub.2 .dbd.CFR.sub.f (I) wherein R.sub.f represents a perfluoroalkyl group or a fluoroalkyl group comprising the step of contacting, at a high temperature, hydrogen gas with a 1,1-dihydro-2,2-difluoro alcohol represented by formula (II): HOCH.sub.2 CF.sub.2 R.sub.f (II) wherein R.sub.f represents a perfluoroalkyl group or a fluoroalkyl group.
Claims9
A method for producing a fluorine-containing olefin represented by formula (I):
- CH.sub.2 .dbd.CFR.sub.f (I)
- wherein R.sub.f represents a perfluoroalkyl group or a fluoroalkyl group
- comprising the step of contacting, at a high temperature, hydrogen gas with a 1,1-dihydro-2,2-difluoro alcohol represented by formula (II):
- HOCH.sub.2 CF.sub.2 R.sub.f (II)
- wherein R.sub.f represents a perfluoroalkyl group or a fluoroalkyl group.
2 more elements
Dependencies are inferred from the claim text.