Syntheses and molecular structures of novel Ru(II) complexes with bidentate benzimidazole based ligands and their catalytic efficiency for oxidation of benzyl alcohol

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dc.authoriddayan, osman/0000-0002-0764-1965
dc.authoridOzdemir, Namik/0000-0003-3371-9874
dc.contributor.authorDayan, Osman
dc.contributor.authorTercan, Melek
dc.contributor.authorOzdemir, Namik
dc.date.accessioned2025-01-27T20:49:50Z
dc.date.available2025-01-27T20:49:50Z
dc.date.issued2016
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractFive bidentate ligands derived from quinoline-2-carboxylic acid, i.e. 2-(1H-benzimidazol-2-yl)quinoline (L1), 2-(1-benzyl-1H-benzimidazol-2-yl)quinoline (L2), 2-[1-(2,3,5,6-tetramethylbenzyl)-1H-benzimidazol-2-yliquinoline (L3), 2-[1-(4-chlorobenzyl)-1H-benzimidazol-2-yl]quinoline (L4), and 2-[1-(4-methylbenzyl)-1H-benzimidazol-2-yl]quinoline (L5) were synthesized. Treatment of L1-5 with [RuCl2(p-cymene)](2) and KPF6 afforded six-coordinate piano-stool Ru(II) complexes, namely, [RuCI(L1)(p-cymene)]PF6 (C1), [RuCI(L2)(p-cymene)]PF6 (C2), [RuCI(L3)(p-cymene)]PF6 (C3), [RuCI(L4)(p-cymene)] PF6 (C4), and [RuCI(L5)(p-cymene)]PF6 (C5). Synthesized compounds were characterized with different techniques such as H-1 and C-13 NMR, FT-IR, and UV-vis spectroscopy. The solid state structure of L1 and C3 was confirmed by single-crystal X-ray diffraction analysis. The single crystal structure of C3 verified coordination of L3 to the Ru(II) center. The Ru(II) center has a pseudo-octahedral three legged piano stool geometry. The complexes C1-5 were tested as catalysts for the catalytic oxidation of benzyl alcohol to benzaldehyde in the presence of periodic acid (H5IO6) (Substrate/Catalyst/Oxidant = 1/0.01/0.5). The best result was obtained with C2 (3 h -> 90%). (C) 2016 Elsevier B.V. All rights reserved.
dc.description.sponsorshipCanakkale Onsekiz Mart University Scientific Research Projects Commission [FBA-2014-179]; Faculty of Arts and Sciences, Ondokuz Mayis University, Turkey; University Research Fund [F-279]
dc.description.sponsorshipWe acknowledge Canakkale Onsekiz Mart University Scientific Research Projects Commission (Project No: FBA-2014-179) for support and the Faculty of Arts and Sciences, Ondokuz Mayis University, Turkey, for the use of the STOE IPDS II diffractometer (purchased under grant No. F-279 of the University Research Fund).
dc.identifier.doi10.1016/j.molstruc.2016.06.017
dc.identifier.endpage43
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.scopus2-s2.0-84973901471
dc.identifier.scopusqualityQ1
dc.identifier.startpage35
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2016.06.017
dc.identifier.urihttps://hdl.handle.net/20.500.12428/25329
dc.identifier.volume1123
dc.identifier.wosWOS:000381833100006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofJournal of Molecular Structure
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectRu (II) complexes
dc.subjectPiano-stool complexes
dc.subjectOxidation of benzyl alcohol
dc.subjectBidentate chelates
dc.subject2-(2-quinoliny1)-1H-benzimidazole
dc.titleSyntheses and molecular structures of novel Ru(II) complexes with bidentate benzimidazole based ligands and their catalytic efficiency for oxidation of benzyl alcohol
dc.typeArticle

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