| abstract |
A method for producing a fluorine-containing olefin represented by formula (I): n n Ch.sub.2 ═CFR.sub.f (I) n n wherein R 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): n n HOCH.sub.2 CF.sub.2 R.sub.f (II) n n wherein R f represents a perfluoroalkyl group or a fluoroalkyl group. |