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Bärenstarkes nullwertiges Silicium, das mit einem bis‐N‐heterocyclischen Carbenliganden stabilisiert ist, kann ohne Mühe CO2 zu CO reduzieren, wobei die entsprechenden SiO‐ und SiO2‐Komplexe als reaktive Zwischenstufen gebildet werden. Der SiO2‐Komplex reagiert rasch mit zwei Molekülen CO2 unter Bildung des entsprechenden Siliciumdicarbonat‐Komplexes. In ihrer Zuschrift auf S. 1920 ff. beschreiben...
The first isolable molecular silicon dicarbonate complex (bis‐NHC)Si(CO3)22 (bis‐NHC=H2C[{NC(H)=C(H)N(Dipp)}C:]2, Dipp=2,6‐iPr2C6H3) was synthesized by facile reaction of the bis‐N‐heterocyclic carbene stabilized silylone (bis‐NHC)Si 1, bearing a zero‐valent silicon atom, with carbon dioxide. The monomeric silicon dioxide complex (bis‐NHC)SiO23 supported by the bis‐NHC ligand was proposed as a key...
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