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Synthesis and Characterization of a 1,2-Digermabenzene

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posted on 2015-06-08, 00:00 authored by Takahiro Sasamori, Tomohiro Sugahara, Tomohiro Agou, Jing-Dong Guo, Shigeru Nagase, Rainer Streubel, Norihiro Tokitoh
A 1,2-digermabenzene bearing bulky substituents on its two germanium atoms was successfully synthesized and isolated as a stable, crystalline compound via the reaction of a digermyne precursor with 2 equiv of acetylene. Even though its molecular structure, which was revealed by X-ray crystallographic analysis, showed a trans-bent geometry for the Ge–Ge moiety, theoretical calculations suggested substantial levels of aromaticity.