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Transfer hydrogenation of acetophenone promoted by (arene)ruthenium(II) reduced Schiff base complexes: an X-ray structure of $[(\eta^6-p-cymene)RuCl(OC_6H_4-2-CH_2NHC_6H_4-p-Me)]$

Rath, Rakesh K and Nethaji, Munirathinam and Chakravarty, Akhil R (2001) Transfer hydrogenation of acetophenone promoted by (arene)ruthenium(II) reduced Schiff base complexes: an X-ray structure of $[(\eta^6-p-cymene)RuCl(OC_6H_4-2-CH_2NHC_6H_4-p-Me)]$. In: Polyhedron, 20 (21). pp. 2735-2739.

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Abstract

Arene ruthenium(II) reduced Schiff base complexes of formulation $[(\eta^6-p-cymene)RuCl(L^n)]$ (1–5, n=1–5) were prepared by reacting $[(\eta^6-p-cymene)RuCl_2]_2$ with $HL^n$ in the presence of sodium carbonate in $CH_2Cl_2$. The complexes contain an $(\eta^6-p-cymene)$ group, a chloride and a bidentate chelating N,O-donor ligand. The molecular structure of $[(\eta^6-p-cymene)RuCl(OC_6H_4-2-CH_2NHC_6H_4-p-Me)]$ (1) has been determined by X-ray crystallography. The complexes are found to be catalytically active for transfer hydrogenation of acetophenone to $(\pm)$1-phenylethanol in the presence of KOH and isopropanol showing percent conversion of 98 with the catalysts having a bulky substituent adjacent to the O- and N-donor sites of the auxiliary ligand.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Arene ruthenium;Crystal structure;Transfer hydrogenation;Catalysis;Reduced Schiff base.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 15 Oct 2008 05:30
Last Modified: 19 Sep 2010 04:49
URI: http://eprints.iisc.ernet.in/id/eprint/15853

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