Azide ion recognition in water-CHCl(3) using a chelating phosphonium borane as a receptor.
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abstract
In H(2)O-CHCl(3), the phosphonium borane [ortho-(Mes(2)B)C(6)H(4)(PMePh(2))](+) selectively complexes azide anions to afford ortho-(Mes(2)(N(3))B)C(6)H(4)(PMePh(2)) in which the boron-bound azide anion is stabilized by an interaction with the adjacent phosphorus atom.