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Coordination Chemistry of Cyclic Disilylated Germylenes and Stannylenes with Group 11 Metals

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journal contribution
posted on 17.12.2015 by Johann Hlina, Henning Arp, Małgorzata Walewska, Ulrich Flörke, Klaus Zangger, Christoph Marschner, Judith Baumgartner
Reactions of Et3P adducts of bissilylated germylenes and stannylenes with gold, silver, and copper cyanides led to cyanogermyl or -stannyl complexes of the respective metals. In the course of the reaction the phosphine moved to the metal, while the cyanide migrated to the low-coordinate group 14 element. The respective gold complexes were found to be monomeric, whereas the silver and copper complexes exhibited a tendency to dimerize in the solid state. Attempts to abstract the phosphine ligand with B­(C6F5)3 led only to the formation of adducts with the borane coordinating to the cyanide nitrogen atom.

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