High-spin cation radicals of methylenephosphoranes

MM Wienk, RAJ Janssen

Index: Wienk, Martijn M.; Janssen, Rene A. J. Journal of the American Chemical Society, 1997 , vol. 119, # 23 p. 5398 - 5403

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Citation Number: 13

Abstract

Novel di (cation radical) s and tri (cation radical) s are prepared by oxidation of the corresponding 1, 3-phenylenebis [[(4-tert-butylphenyl) methylene] triphenylphosphorane] and 1, 3, 5-benzenetriyltris [[(4-tert-butylphenyl) methylene] triphenylphosphorane] precursors. The oligo (cation radical) s are investigated in frozen solutions using ESR spectroscopy. The di (cation radical) has a triplet state as evidenced from a Δ M s=±2 ESR ...