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Photoisomerizable Heterodienes Derived from a Phosphine Borane
Author(s) -
Bebbington Magnus W. P.,
Bontemps Sébastien,
Bouhadir Ghenwa,
Bourissou Didier
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200605078
Subject(s) - borane , phosphine , adduct , chemistry , derivative (finance) , photoisomerization , medicinal chemistry , photochemistry , stereochemistry , catalysis , organic chemistry , isomerization , financial economics , economics
Stable relations : Reaction of phenylazide with a phosphine borane derivative gives rise to an intramolecularly stabilized phosphazide 1 (R= i Pr, R′=mesityl) that undergoes an unprecedented photoisomerization process associated with a change from an N α →B to an N β →B interaction (see scheme). The generality and possible reversibility of such phenomena are demonstrated with the related phosphazine adduct 2 .