Abstract:Allenes (>C=C=C<) are classified as cumulated dienes that have a linear structure with an sp-hybridized central carbon atom. We have succeeded in synthesizing and isolating a stable 2-germapropadiene derivative with bulky silyl substituents. The 2-germapropadiene allene moiety adopts a linear structure both in the solid state and in solution. In addition, an X-ray diffraction electron-density-distribution analysis of this 2-germapropadiene revealed a linear C=Ge=C geometry with a formally sp-hybridized g… Show more
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