Inorganica Chimica Acta p. 55 - 62 (2019)
Update date:2022-08-11
Topics:
Nirmala, Muthukumaran
Murugan, Kaliyappan
Vijayapritha, Subbarayan
Viswanathamurthi, Periasamy
Bertani, Roberta
Malecki, Jan Grzegorz
A series of Ru(II) complexes encompassing imidazolylidene olefin arm have been designed. The newly synthesized ligands and complexes were fully characterized by 1H, 13C NMR, and elemental analyses. Structural geometry for one of the envoy Ru(II) carbene complexes 3a was confirmed by single-crystal X-ray diffraction studies. The complexes acquired a distorted octahedral geometry. The highly active [Ru(II)-NHC] complex 3b, showed excellent catalytic performance for the hydrogenation of esters in 1,4-dioxane medium. The effects of solvent, base, wingtip substituents, time and catalyst loading were also investigated. The reported catalyst performed exceptionally well for a range of esters and furnishes very good yield of hydrogenated products.
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