1422352-65-5Relevant academic research and scientific papers
Step-by-step introduction of silazane moieties at ruthenium: Different extents of Ru-H-Si bond activation
Smart, Katharine A.,Grellier, Mary,Vendier, Laure,Mason, Sax A.,Capelli, Silvia C.,Albinati, Alberto,Sabo-Etienne, Sylviane
, p. 2654 - 2661 (2013)
The coordination of pyridine-2-amino(methyl)dimethylsilane ligands to ruthenium has afforded access to a family of novel complexes that display multicenter Ru-H-Si interactions according to the number of incorporated ligands. The new complexes Ru[κ-Si,N-(SiMe2)N(Me)(C 5H4N)](η4-C8H 12)(η3-C8H11) (1), Ru 2(μ-H)2(H)2[κ-Si,N-(SiMe 2)N(Me)(C5H4N)]4 (2), and Ru(H)[κ-Si,N-(SiMe2)N(Me)(C5H4N)] 3 (3) were isolated and fully characterized. The complexes exhibit different degrees of Si-H activation: complete Si-H cleavage, secondary interactions between the atoms (SISHA), and η2-Si-H coordination. Reversible protonation of 3 leading to the cationic complex [RuH{(η2-H-SiMe2)N(Me)κ-N-(C5H 4N)}{κ-Si,N-(SiMe2)N(Me)(C5H 4N)}2]+[BArF4] - (5) was also demonstrated. The coordination modes in these systems were carefully studied with a combination of X-ray and neutron diffraction analysis, DFT geometry optimization, and multinuclear NMR spectroscopy.
