Vitamin B1-based thiazol-2-ylidene-Ru(ii) complexes: recyclable transfer hydrogenation catalysts in water

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dc.authoridÖzdemir, Namık/0000-0003-3371-9874
dc.authoridTuncer, Hayriye/0000-0002-4261-5965
dc.authoridKILINCARSLAN, RAFET/0000-0001-6982-9536
dc.contributor.authorKilincarslan, Rafet
dc.contributor.authorTuncer, Hayriye
dc.contributor.authorOzdemir, Namik
dc.contributor.authorCetinkaya, Bekir
dc.date.accessioned2024-08-31T07:49:48Z
dc.date.available2024-08-31T07:49:48Z
dc.date.issued2024
dc.departmentEge Üniversitesien_US
dc.description.abstractThe [(p-cymene)RuCl(kappa C-2,N-{C-NHC-NH})]X-+(-) (C-NHC = thiazol-2-ylidene) complexes with a bidentate ligand (2: X = Cl and 3: X = PF6) were prepared by a one-pot reaction of vitamin B1 (VB1, 1), Ag2O and [(p-cymene)RuCl2](2). In the complexes, VB1 coordinates through C2 and the exocyclic N in the imino form with the kappa 2-(C,N) coordination mode. The complexes 2 and 3 are stable in the solid state, but slowly release p-cymene in solution. Furthermore, upon heating in polar solvents, 2 or 3 can be converted by ligand exchange reactions to produce [(L)(3)RuCl(kappa C-2,N-{C-NHC-NH})]+PF6- (4: L = py).Robustness was improved remarkably for 4. The complex 4 is stable in the solid state and in solution. The complexes 2-4 have been identified by H-1 and C-13{H-1} 2D NMR spectroscopy and 2 and 4 were studied by X-ray crystallography. In an effort to develop a recyclable catalyst in water, 2-4 were evaluated for TH of ketones and aldehydes with an azeotropic mixture of HCOOH/Et3N in water. The complexes 3 and 4 exhibited very good catalytic activity and 4 could be reused nine times without significant loss of activity, giving a high turnover frequency (TOF50%(h(-1)) = 1286).en_US
dc.description.sponsorshipPamukkale University Scientific Research Projects Commission [2021FEBE034]; Scientific Research Projects Unit of Ondokuz Mayimath;s University [PYO.FEN.1906.19.001]; TUBAen_US
dc.description.sponsorshipFinancial support for this work was provided by the Pamukkale University Scientific Research Projects Commission (Project No: 2021FEBE034), the Scientific Research Projects Unit of Ondokuz May & imath;s University (Project No: PYO.FEN.1906.19.001) and TUBA.en_US
dc.identifier.doi10.1039/d4dt00445k
dc.identifier.endpage9197en_US
dc.identifier.issn1477-9226
dc.identifier.issn1477-9234
dc.identifier.issue21en_US
dc.identifier.pmid38742996en_US
dc.identifier.scopus2-s2.0-85193489950en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage9192en_US
dc.identifier.urihttps://doi.org/10.1039/d4dt00445k
dc.identifier.urihttps://hdl.handle.net/11454/105005
dc.identifier.volume53en_US
dc.identifier.wosWOS:001222107200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherRoyal Soc Chemistryen_US
dc.relation.ispartofDalton Transactionsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240831_Uen_US
dc.subjectN-Heterocyclic-Carbeneen_US
dc.subjectAsymmetric Transfer Hydrogenationen_US
dc.subjectTransition-Metal-Complexesen_US
dc.subjectLigandsen_US
dc.subjectRutheniumen_US
dc.subjectKetonesen_US
dc.subjectCoordinationen_US
dc.subjectDonoren_US
dc.subjectRuen_US
dc.titleVitamin B1-based thiazol-2-ylidene-Ru(ii) complexes: recyclable transfer hydrogenation catalysts in wateren_US
dc.typeArticleen_US

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