Side-On Coordinated Distannene: An Unprecedented Nickel(0) Complex


  • This work was supported by the Fonds der Chemischen Industrie. We thank Prof. Dr. H. Bettinger for helpful discussions.


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η2-coordination of a Sn[BOND]Sn bond: An intramolecular distannene was synthesized in a straightforward fashion from 4,5-dilithio-9,9-dimethylxanthene. This compound reacts with [Ni(cod)2] to form a Ni0 complex with an unprecedented Sn2Ni triangle (see scheme; cod=1,5-cyclooctadiene).