Diethynylated diphenyl hexafluoropropanes

Details Diethynylated diphenyl hexafluoropropanes Diethynylated diphenyl hexafluoropropanes

1985-02-14

1989-03-21

Evans, J. E.

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

Organic compounds

Silicon containing

546275, 549 80, 549472, 560 81, 562488, 564155, 568660, 568809, 570128, C07F 708, C07F 2022, C07F 3326, C07F 5738

Patent

active

048144720

ABSTRACT:
There are disclosed diethynylated diphenyl hexafluoropropane compounds, which are suitable for forming copolymers and carbon-carbon composites. These compounds are prepared in high yields by first providing a dihalogenated diphenyl hexafluoropropane compound, coupling the dihalogenated compound with ethynyltrimethylsilane in the presence of an organometallic catalyst to form a silylated ethynyl terminated diphenyl substituted compound and subsequently desilylating the compound to form the desired diethynylated diphenyl hexafluoropropane compound.

REFERENCES:
patent: 4374291 (1983-02-01), Lau
Hanley, "The Condensed Chemical Dictionary" pp. 90 and 972, 10th ed. 1981).
"Websters Third New International Dictionary", unabridged, pp. 116 and 125, 1963.

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