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The tetrasilyl‐substituted digermene (tBu2MeSi)2GeGe(SiMetBu2)21 was prepared by the reduction of the readily available 1,1‐dichlorogermane (tBu2MeSi)2GeCl2 with potassium graphite. Compound 1 is a rather unusual example of a digermene featuring planar geometry at the doubly bonded germanium atoms, on the one hand, and an extraordinarily twisted GeGe bond, on the other hand, caused by the electronic...
A new procedure for synthesizing tetrakis(trimethylsilyl)tetrahedrane from tetrakis(trimethylsilyl)cyclobutadiene is reported. Valence isomerization of cyclobutadiene to tetrahedrane induced by one‐electron oxidation has been developed by the addition of tris(pentafluorophenyl)borane as an oxidant. This new method has great synthetic advantages for easy, quick, and high‐yielding reaction to achieve...
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