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Richard A. Lewis, Simona Morochnik, Alon Chapovetsky, Guang Wu and Prof. Trevor W. Hayton Synthesis and Characterization of [M2(N[DOUBLE BOND]CtBu2)5]− (M=Mn, Fe, Co): Metal Ketimide Complexes with Strong Metal–Metal Interactions Angewandte Chemie International Edition 51

Version of Record online: 7 NOV 2012 | DOI: 10.1002/anie.201206790

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Bond, metal–metal bond: Addition of 2.5 equiv of Li(N[DOUBLE BOND]CtBu2) to MCl2 (M=Mn, Fe, and Co), followed by addition of [12]crown-4, results in formation of [Li([12]crown-4)2][M2(N[DOUBLE BOND]CtBu2)5] in good yields. These complexes exhibit short M–M distances and strong magnetic communication between metal centers, thus demonstrating that ketimides are viable co-ligands for promoting metal–metal bonding.

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