Article detail · 2011
Synthesis of Ruthenium II Complexes Containing Tridentate Triamine NNN over cap and Bidentate Diamine Ligands NN over cap asCatalysts for Transfer Hydrogenation of Ketones
- Year
- 2011
- Type
- article
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- YÖKSİS YÖKSİS article record
- YÖKSİS venue ORGANOMETALLICS
- Catalog match (ISSN) Organometallics
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Abstract
OpenAlex · English
A series of neutral and cationic Ru(II) complexes ( 1 – 10 ), bearing pyridine-based tridentate (′N ͡N ͡N′), pyridine-based bidentate (N ͡N′), and mixed ′N ͡N ͡N′ + N ͡N′ ligands, were synthesized by starting from [RuCl 2 (DMSO) 4 ] and [RuCl 2 ( p -cymene)] 2 precursors. Solid-state structures of mixed-ligand complexes 9 and 10 were determined by single-crystal X-ray diffraction. Both complexes are unusual in that N ͡N′ ligands were spontaneously oxidized in air under base-free conditions to give imine-amine bidentate ligands upon replacement of p -cymene by meridional ′N ͡N ͡N′. The complexes 1 – 10 were screened for transfer hydrogenation (TH) of aryl ketones with 2-propanol. The highest catalytic activity was obtained with the complexes containing tridentate ′N ͡N ͡N′ and 7, which contain nonsulfonated 2-(aminomethyl)pyridine. However, for complexes 6 a–c, containing p -cymene (a facial tridentate ligand), a slower reaction rate was observed.
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81 citations
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82 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).
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