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Cyclometallation and Hydrogen/Deuterium Exchange Reactions of an Arylphosphine
Ligand upon Coordination to {Ir(C5Me5)}

IIQ

Jesús Campos, Ana Cristina Esqueda, Ernesto Carmona Chem. Eur. J. 2010, Vol. 16, 419-422

The cyclometallated compounds [(C5Me5)Ir(X){PMe(2,6-CH2(Me)C6H3)(2,6-Me2C6H3)}] (X=Cl, H, Me) have been synthesized in high yields and their potential for C-H activation demonstrated. Subsequent functionalization of these species has provided a series of complexes that exhibit very interesting H/D exchange reactions. Deuterium incorporation into the metallated ligand backbone has been achieved for X=Cl and X=H, with unexpected dissimilar results and hence through different reaction pathways.

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