Process for production of polyfluoroolefins

Details Process for production of polyfluoroolefins Process for production of polyfluoroolefins

1992-06-25

1993-06-15

Evans, Joseph E.

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

Organic compounds

Halogen containing

570124, 570132, 570135, C07C 2202

Patent

active

052200825

ABSTRACT:
This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroethylenes. 1:1 and 1:2 Adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and reduced further to dihydro- or trihydropolyfluoroalkanes, which are useful as HFC cleaning agents.

REFERENCES:
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patent: 2951096 (1960-08-01), Miller
patent: 2992279 (1961-07-01), Haszeldine
patent: 3046261 (1962-07-01), Iserson
patent: 3662009 (1972-05-01), Hutchinson
patent: 3816552 (1974-06-01), Hartwimmer
patent: 4954666 (1990-09-01), Bielefeldt et al.
patent: 5017718 (1991-05-01), Ojims
Chemical Abstracts, vol. 112, No. 21, May 21, 1990, Abstract No. 197607p, p. 640.

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