Chemistry - A European Journal
Chemistry - A European Journal
5 years ago

Frontispiece: Bimetallic Cooperativity in Proton Reduction with an Amido-Bridged Cobalt Catalyst

Frontispiece: Bimetallic Cooperativity in Proton Reduction with an Amido-Bridged Cobalt Catalyst
Kenneth K. Kpogo, Cláudio N. Verani, Adam T. Fiedler, Denan Wang, H. Bernhard Schlegel, Shivnath Mazumder
The bimetallic catalyst [CoII2(L1)(bpy)2]ClO4 (1) was investigated both experimentally and theoretically to probe the cooperative activity among the cobalt centers toward proton reduction to dihydrogen. Mechanistically, a [CoICoI] core acts by protonation of one CoI center that triggers a sequential 2e− transfer where each CoI center donates one electron to the H+. This bimetallic cooperativity arises from the close proximity of the cobalt centers and the appropriate orbital topology, and avoids the formation of the high-valent CoIII–H− moiety required in monometallic catalysts. For more information, see the Full Paper by C. Verani et al. on page 9272 ff. Artwork by Dr. Da Li, WSU 2017.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201783963

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