The kinetics of formation and catalytic activity of carbonyldioxygentris-(diphenylmethylphosphine)iridium(I) perchlorate

Abstract

The kinetics of the uptake of dioxygen by [Ir(CO)(PPh·Me)₃][ClO₄] in acetone and dichloromethane have been studied and the Arrhenius parameters evaluated. Qualitative measurements on the homogeneous oxidation of triphenylphosphine and diphenylmethylphosphine by the dioxygen complex [Ir(CO)(PPh₂Me)₃(O₂)][ClO₄] in a variety of solvents show that it is an inefficient catalyst.