Dr. Phillip Jochmann and Prof. Dr. Douglas W. Stephan H2 Cleavage, Hydride Formation, and Catalytic Hydrogenation of Imines with Zinc Complexes of C5Me5 and N-Heterocyclic Carbenes Angewandte Chemie International Edition 52
Decamethylzincocene, [ZnCp*2], reacts with H2 to give the reduced ZnI compound [Zn2Cp*2]. In the presence of coordinating and (more efficiently) of non-coordinating N-heterocyclic carbenes (NHCs), the catalytic hydrogenation of imines with H2 is achieved. The monomeric hydride [Zn(Cp*)(H)(SIMes)] is presented and its mechanistic implications are considered.
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