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• W1978475629 endingPage "1237" @default.
• W1978475629 startingPage "1228" @default.
• W1978475629 abstract "The synthesis and structural characterization of ruthenium complexes supported by 2-(2-pyridyl)benzoazole ligands and their evaluation as catalysts in the transfer hydrogenation of ketones are reported. Reactions of 2-(2-pyridyl)benzoimidazole (L1), 2-(2-pyridyl)benzothiazole (L2) and 2-(2-pyridyl)benzoxazole (L3) with RuCl3·3H2O produced the corresponding complexes [RuCl3(L1)] (1), [RuCl3(L2)] (2) and [RuCl3(L3)] (3), respectively. Similarly, treatment of L1–L3 with RuCl2(PPh3)2 afforded the corresponding Ru(II) complexes [RuCl2(PPh3)2(L1)] (4), [RuCl2(PPh3)2(L2)] (5) and [RuCl2(PPh3)2(L3)] (6), respectively. Solid state structures of 1 and 2 confirmed the bidentate coordination mode of L1 and L2 to ruthenium. 31P{1H} NMR spectroscopy revealed coordination of two PPh3 ligands trans to each other in an octahedral environment in 4–6 as confirmed by the solid state structure of 6. Complexes 1–6 produced active catalysts in the transfer hydrogenation of ketones in 2-propanol at 82 °C. Ruthenium(II) complexes 4–6, containing the PPh3 ligand, exhibited higher catalytic activities than the corresponding ruthenium(III) compounds 1–3. Complexes 1 and 4 of L1 were more active than the corresponding complexes of L2 and L3. Density functional theoretical calculations showed that dipole moments of 1–6 control their catalytic activities." @default.
• W1978475629 created "2016-06-24" @default.
• W1978475629 creator A5004988621 @default.
• W1978475629 creator A5045488730 @default.
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• W1978475629 date "2014-01-01" @default.
• W1978475629 modified "2023-10-05" @default.
• W1978475629 title "(Pyridyl)benzoazole ruthenium(<scp>ii</scp>) and ruthenium(<scp>iii</scp>) complexes: role of heteroatom and ancillary phosphine ligand in the transfer hydrogenation of ketones" @default.
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• W1978475629 doi "https://doi.org/10.1039/c3dt51599k" @default.
• W1978475629 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/24177702" @default.
• W1978475629 hasPublicationYear "2014" @default.
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