Halogen-Substituted Cyclotrigermenes: The π(Ge = Ge)-σ*(Ge-X) Interaction and a Unique Dynamic Behavior
The halogen-substituted cyclotrigermenes (tBu3Si)3Ge3X (X = F, Cl, Br, I) (2) were synthesized by the reaction of tris(tri-tert-butylsilyl)cyclotrigermenylium tetrakis(2,3,5,6-tetrafluorophenyl)borate) (1+•TTFPB-) with potassium halides (KF, KCl, KBr, KI). Intramolecular halogen
migration over the three-membered ring skeleton was observed in the solution. GRAPHICAL ABSTRACT[image omitted]
Keywords: Cyclotrigermene; digermene; dynamic behavior; germanium
Document Type: Research Article
Affiliations: Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
Publication date: 01 June 2011
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