Process for the preparation of hexafluoropropene dimers having a

Details Process for the preparation of hexafluoropropene dimers having a Process for the preparation of hexafluoropropene dimers having a

1993-08-25

1995-02-07

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1702

Patent

active

053877284

ABSTRACT:
Process for the preparation of hexafluoropropene dimers having a high proportion of perfluoro-(4-methyl-2-pentene)
The dimerization of hexafluoropropene produces almost exclusively dimers having a high content of perfluoro-(4-methyl-2-pentene) if the dimerization is carried out in an aprotic solvent in the presence of an adduct of an amine, which contains no NH groups, and a metal fluoride.

REFERENCES:
patent: 2918501 (1959-12-01), Brehm et al.
patent: 3917724 (1975-04-01), Martini
patent: 4042638 (1977-08-01), Ozawa et al.
Dresdner, R. D., et al, J. Org. Chem. 30:3524-3526 (1965).
Halasz, S. P. V., et al, Chem. Ber. 106:2950-2955 (1973).

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