Synergistic C–H bond activation across molybdenum–iridium multiply bonded complexes: a cascade of transformations
Zachary S. Dubrawski, Iker Del Rosal, Erwann Jeanneau, Laurent Maron, Chloé Thieuleux, Clément Camp
Abstract
coupling - ultimately yielding a Mo(vi) metallacyclopropane complex, 5. Addition of multiple equivalents of isocyanate instead interrupts this mechanism, leading to C-N and C-O bonds cleavage and the formation of aminocarbyne and imido ligands bridging the Ir and Mo centers, along with a molybdenum(vi)-oxo moiety. This unprecedented reactivity, mediated by a key reaction intermediate featuring an unsupported Mo-Ir quadruple bond, illustrates the interest of heterobimetallic compounds for complex bond activation and reorganization.
Topics & Concepts
IridiumCascadeMolybdenumChemistryCombinatorial chemistryInorganic chemistryCatalysisOrganic chemistryChromatographyCatalytic C–H Functionalization MethodsAsymmetric Hydrogenation and CatalysisCyclopropane Reaction Mechanisms