Pribanic Bruno, Trincado Monica, Eiler Frederik, Vogt Matthias, Comas-Vives Aleix, Grützmacher Hansjörg
Department of Chemistry and Applied Biosciences, ETH Zürich, 8093, Zürich, Switzerland.
Universität Bremen, Fachbereich 2 Biologie/Chemie, Institut für Anorganische Chemie und Kristallographie, Leobenerstr. 7, 28359, Bremen, Germany.
Angew Chem Int Ed Engl. 2020 Sep 1;59(36):15603-15609. doi: 10.1002/anie.201907525. Epub 2020 Apr 14.
The dehydrogenation of organosilanes (R SiH ) under the formation of Si-Si bonds is an intensively investigated process leading to oligo- or polysilanes. The reverse reaction is little studied. To date, the hydrogenolysis of Si-Si bonds requires very harsh conditions and is very unselective, leading to multiple side products. Herein, we describe a new catalytic hydrogenation of oligo- and polysilanes that is highly selective and proceeds under mild conditions. New low-valent nickel hydride complexes are used as catalysts and secondary silanes, RR'SiH , are obtained as products in high purity.
在形成硅-硅键的条件下，有机硅烷（R SiH ）的脱氢反应是一个被深入研究的过程，会生成低聚或聚硅烷。而其逆反应则研究较少。迄今为止，硅-硅键的氢解反应需要非常苛刻的条件，且选择性很差，会产生多种副产物。在此，我们描述了一种新型的低聚和聚硅烷催化氢化反应，该反应具有高选择性且在温和条件下进行。新型低价镍氢配合物被用作催化剂，产物为高纯度的二级硅烷RR'SiH 。
