Iridium(i) complexes bearing hemilabile coumarin-functionalised N-heterocyclic carbene ligands with application as alkyne hydrositytation catalysts

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dc.authoridKarataş, Mert Olgun/0000-0001-8500-2088
dc.authoridCastarlenas Chela, Ricardo/0000-0003-4460-8678
dc.authoridOzdemir, Ismail/0000-0001-6325-0216
dc.authoridPerez-Torrente, Jesus J./0000-0002-3327-0918
dc.authoridPassarelli, Vincenzo/0000-0002-1735-6439
dc.authorwosidKarataş, Mert Olgun/ABG-7848-2020
dc.authorwosidCastarlenas Chela, Ricardo/E-3641-2016
dc.authorwosidPerez-Torrente, Jesus J./F-3569-2011
dc.contributor.authorKarata, Mert Olgun
dc.contributor.authorAlici, Bulent
dc.contributor.authorPassarelli, Vincenzo
dc.contributor.authorOzdemir, Ismail
dc.contributor.authorPerez-Torrente, Jesus J.
dc.contributor.authorCastarlenas, Ricardo
dc.date.accessioned2024-08-04T20:50:34Z
dc.date.available2024-08-04T20:50:34Z
dc.date.issued2021
dc.departmentİnönü Üniversitesien_US
dc.description.abstractA set of iridium(I) complexes of formula IrCl(kappa C,eta(2)-I(R)Cou(R))(cod) or IrCl(kappa C, eta(2)-Bz(lR)Cou(R))(cod) (cod = 1,5-cyclooctadiene; Cou = coumarin; I = imidazolin-2-carbene; Bzl = benzimidazolin-2-carbene) have beeen prepared from the corresponding azolium salt and [ir(mu-OMe)(cod)](2) in THE at room temperature. The crystalline structures of 4b and 5b show a distorted trigonal bipyramidal configuration in the solid state with a coordinated coumarin moiety. In contrast, an equilibrium between this pentacoordinated structure and the related square planar isomer is observed in solution as a consequence of the hemilability of the pyrone ring. Characterization of both species by NMR was achieved at the low and high temperature limits, respectively. In addition, the thermodynamic parameters of the equilibrium, Delta H-R and Delta S-R were obtained by VT H-1 NMR spectroscopy and fall in the range 22-33 kJ mol(-1) and 72-113 J mol(-1) k(-1), respectively. Carbonylation of IrCl(kappa C,eta(2)-BzI(Tol)Cou(7.8-Me2))(cod) resulted in the formation of a bis-CO derivative showing no hemilabile behaviour. The newly synthesised complexes efficiently catalyze the hydrosilylation of alkynes at room temperature with a preference for the beta-(Z) vinylsilane isomer.en_US
dc.description.sponsorshipSpanish Ministerio de Ciencia e Innovacion (MICINN/FEDER) [PID2019-103965GB-I00]; Departamento de Ciencia, Universidad y Sociedad del Conocimiento del Gobierno de Aragon [E42_20R]en_US
dc.description.sponsorshipFinancial support from the Spanish Ministerio de Ciencia e Innovacion (MICINN/FEDER) under the Project PID2019-103965GB-I00 and the Departamento de Ciencia, Universidad y Sociedad del Conocimiento del Gobierno de Aragon (group E42_20R) are gratefully acknowledged. MOK thanks to Scientific and Technological Research Council of Turkey (TUBITAK).en_US
dc.identifier.doi10.1039/d1dt01946e
dc.identifier.endpage11215en_US
dc.identifier.issn1477-9226
dc.identifier.issn1477-9234
dc.identifier.issue32en_US
dc.identifier.pmid34338264en_US
dc.identifier.scopus2-s2.0-85113234577en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage11206en_US
dc.identifier.urihttps://doi.org/10.1039/d1dt01946e
dc.identifier.urihttps://hdl.handle.net/11616/100153
dc.identifier.volume50en_US
dc.identifier.wosWOS:000680094100001en_US
dc.identifier.wosqualityQ1en_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/openAccessen_US
dc.subjectC-H Activationen_US
dc.subjectRhodium(I) Complexesen_US
dc.subjectTerminal Alkynesen_US
dc.subjectPlatinum Catalystsen_US
dc.subjectMetal-Complexesen_US
dc.subjectHydrosilylationen_US
dc.subjectHydrogenationen_US
dc.subjectCoordinationen_US
dc.subjectReactivityen_US
dc.subjectEfficienten_US
dc.titleIridium(i) complexes bearing hemilabile coumarin-functionalised N-heterocyclic carbene ligands with application as alkyne hydrositytation catalystsen_US
dc.typeArticleen_US

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