Process for the preparation of fluorinated alkanes from alkenes

Details Process for the preparation of fluorinated alkanes from alkenes Process for the preparation of fluorinated alkanes from alkenes

C - Chemistry, Metallurgy

07

C

260/656.3

C07C 17/06 (2006.01) C07C 17/02 (2006.01) C07C 17/04 (2006.01) C07C 19/08 (2006.01)

Patent

CA 2005225

A PROCESS FOR THE PREPARATION OF FLUORINATED ALKANES FROM ALKENES ABSTRACT OF THE DISCLOSURE The present invention provides a process for the preparation of fluorinated alkanes. The process comprises the step of: reacting an alkene with carbon having fluorine absorbed therein at a temperature and for a time sufficient to form fluorinated alkanes. The alkene used is not perhalogenated at the double-bonded carbons. Preferably, the alkene used is vinylidene fluoride or ethylene. The process produces products such as 1,1.1,2- tetrafluoroethane (known in the art as 134a) which may be used as a refrigerant and 1,1,1-trifluoroethane (known in the art as R143a) and 1,2-difluoroethano (known in the art as R152) which may be used as blowing agents or solvents.

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