Faculty of Science (FNWI) - Van 't Hoff Institute for Molecular Sciences (HIMS)
Abstract
The redox series [Ir-n(NH(x))(PNP)] (n = II-IV, x = 3-0; PNP = N(CHCHPtBu(2))(2)) was examined with respect to electron, proton, and hydrogen atom transfer steps. The experimental and computational results suggest that the Ir-III imido species [Ir(NH) (PNP)] is not stable but undergoes to the respective Ir-II amido and Ir-III nitrido species. N-H bond strengths are estimated upon reaction with hydrogen atom transfer reagents to rationalize this observation and are used to discuss the reactivity of these compounds toward E-H bond activation.