The preparation and the structural characterization of vanadium complexes with terminal and bridging N-heterocyclic vinylidene ligands is reported. The synthesis of the complexes was enabled by utilization of diazoolefins as ligand precursors. Structural data and theoretical results show that N-heterocyclic vinylidenes can act as 6e− donor ligands, leading to strong metal–carbon interactions.
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Pierre Vogel, Florence Pojer, George Coukos, Somi Reddy Majjigapu, Olivier Michielin
Rosario Scopelliti, Kay Severin, Farzaneh Fadaei Tirani, Paul Varava, Wolfram Feuerstein