Unprecedented dimethyl sulfoxide conformational equilibria and kinetics on [Ir(Me2SO)3(η-C5Me5)][PF 6]2

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Antonio Cusanelli, Urban Frey and André E. Merbach


Abstract

Intermolecular dimethyl sulfoxide exchange on [Ir(Me2- SO)3(η-C5Me5][PF6]2 1 proceeds via a dissociative mechanism, exclusively from a conformational isomer of 1 (1c) which is itself in equilibrium with a second more compact conformer (1a).


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