1997•Phosphorus, sulfur, and silicon and the related elementsRequires access
Cyclotrigermenium Ion, a Free Germyl Cation with 2π-Electron System
Akira Sekiguchi, Masanori Tsukamoto, Masaaki Ichinohe, Norihisa Fukaya
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Abstract
The reaction of tetrakis(tri-t-butylsilyl)cyclotrigermene with trityl tetraphenylborate in benzene produced tris(tri-t-butylsilyl)cyclotrigermenium tetraphenylborate [(t-Bu3SiGe)3 +BPh4 -], which can be isolated as yellow solids stable in the absence of air. The crystal structure of the cyclotrigermenium ion reveals a free germyl cation with 2π-electron system.