Photoisomerizable heterodienes derived from a phosphine borane

Magnus W.P. Bebbington, Sébastien Bontemps, Ghenwa Bouhadir, Didier Bourissou

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(Chemical Equation Presented) Stable relations: Reaction of phenylazide with a phosphine borane derivative gives rise to an intramolecularly stabilized phosphazide 1 (R = iPr, R′ = mesityl) that undergoes an unprecedented photoisomerization process associated with a change from an N α→B to an Nβ→B interaction (see scheme). The generality and possible reversibility of such phenomena are demonstrated with the related phosphazine adduct 2.

Original languageEnglish
Pages (from-to)3333-3336
Number of pages4
JournalAngewandte Chemie - International Edition
Issue number18
StatePublished - 2007


  • Boranes
  • Isomerization
  • Phosphazides
  • Phosphorus heterocycles
  • Photochemistry


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