Journal of Fluorine Chemistry p. 185 - 198 (1983)
Update date:2022-09-26
Topics:
Paciorek, K. J. L.
Ito, T. I.
Nakahara, J. H.
Harris, D. H.
Kratzer, R. H.
1,2-Bis(phenyltrichlorophosphino)benzene was synthesized by a 4-step process in an overall 58percent yield.Interaction of the bis(trichlorophosphorane) with the appropriate imidoylamidines afforded the novel 1,4-bis<1-phenylphospha-3,5-bis(perfluoro-n-heptyl)-2,4,6-triazino>benzene and 1,4-bis<1-phenylphospha-3,5-bis(perfluoroalkylether)-2,4,6-triazino>benzene.Electron impact fragmentation patterns of these compounds could be correlated with those of the single ring analogues.The thermal and thermal oxidative stability of the phenyl-bridged dumbbells was lower than that of the corresponding monomeric mono- and diphospha-s-triazines.These materials were found to be effective in arresting the degradation of perfluoroalkylether fluids in oxidizing atmospheres in the presence of metals.
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