Oxidation-induced C–H bond activation in iridium pincer complexes

Abstract

Dehydrogenation reactions that produce molecular hydrogen are thermodynamically unfavourable. Desired is to couple them with a green driving force, such as oxidation with oxygen or electric current. This, in turn,...

Reactions of cyclonickelated complexes with hydroxylamines and TEMPO˙: isolation of new TEMPOH adducts of Ni(ii) and their reactivities with nucleophiles and oxidants

“…The above results prompted us to test the effectiveness of oxidants such as simple salts of Ag( i ) that are less likely to engender oxidative decomposition. We selected AgOC(O)CF 3 for our tests based on a recent report 62 that showed the effectiveness of this reagent for one-electron oxidation of (POCOP)Ir III (H)(Cl), a pincer compound featuring phosphinite donor moieties. Thus, we treated a CH 2 Cl 2 solution of 3a (generated in situ by adding the dimeric precursor 1a to the mixture of Et 2 NOH and TEMPOH) with one equiv.…”