Frey, H. M.; Hopkins, R. G.; Vinall, I. C.
(Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1972, 68 (10), 1972)
The thermal isomerization of 3,3,4,4-tetrafluorocyclobutene has been shown to yield 1,1,4,4- tetrafluorobuta-l,3-diene quantitatively. In the temperature range 306 to 36O'C the reaction is a homogeneous first order essentially ...