Thioether S-ligation in a side-on μ-η2:η2- peroxodicopper(ii) complex

Abstract

[(ANS)CuI(CH3CN)]+ reacts with O 2 giving [{(ANS)CuII}2(μ-η2: η2-O2 2-)]2+, νO-O = 731 cm-1, shown to possess S-thioether ligation, based on comparisons with analogues having all N-ligands or a -S(Ph) group. The finding is a rare occurrence and new for side-on O2 2- binding. © 2010 The Royal Society of Chemistry.