Origin of Intramolecular versus Intermolecular C–H Arene Activation Selectivity by Cyclopentadienyl–Triphenylphosphine Iridium | Inorganic Chemistry pubs.acs.org/doi/10.1021/... Zhang and co-workers @InorgChem #iridium #CpMe5 #PPh3 #CH_arene_activation