Process for preparing oligomers of hexafluoropropene

Details Process for preparing oligomers of hexafluoropropene Process for preparing oligomers of hexafluoropropene

1976-04-13

1977-08-16

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 2118, C08F 1428

Patent

active

040426386

ABSTRACT:
Oligomers of hexafluoropropene are prepared by oligomerization of hexafluoropropene in an organic solvent in the presence of a halide compound and a crown ether. The selectivity to the dimer or trimer may vary depending on the kind of solvent. For example, the oligomerization of hexafluoropropene in acetonitrile or methylene chloride in the vicinity of room temperature gives the dimer thereof at high selectivity. Use of N,N-dimethylformamide favors the formation of the trimer at high selectivity.

REFERENCES:
patent: 3403191 (1968-09-01), Graham
patent: 3917724 (1975-11-01), Martini

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