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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 4341 | - |
dc.citation.number | 15 | - |
dc.citation.startPage | 4334 | - |
dc.citation.title | ORGANOMETALLICS | - |
dc.citation.volume | 32 | - |
dc.contributor.author | Arumugam, Kuppuswamy | - |
dc.contributor.author | Chang, Jinho | - |
dc.contributor.author | Lynch, Vincent M. | - |
dc.contributor.author | Bielawski, Christopher W. | - |
dc.date.accessioned | 2023-12-22T03:38:47Z | - |
dc.date.available | 2023-12-22T03:38:47Z | - |
dc.date.created | 2020-03-04 | - |
dc.date.issued | 2013-08 | - |
dc.description.abstract | The first cationic iridium complex supported by two bulky, ferrocenylated N-heterocyclic carbenes, [(1)(2)Ir-(COD)(+)[Cl](-) ([2]Cl+](-); 1 = 1-ferrocenylmethyl-3-mesityl-imidazol-2-ylidene, Fc-NHC; COD = cis,cis-1,5-cyclooctadiene), was synthesized and characterized. Treatment of the aforementioned complex with a mixture of [N(nBu)(4)](+)[Cl](-) and [Ir(COD)(Cl)](2) afforded [(I)(2)Ir(COD)(+)[Ir(COD)-(Cl)(2)](-) ([2](+)[Ir(COD)Cl-2](-)), which featured cationic as well as anionic Ir centers. Electrochemical analysis of [2](+)[Ir(COD)Cl-2](-) revealed that the complex displayed two reversible (iron- and iridium-centered) and two irreversible (iridium-centered) redox processes, which were assigned to the cationic and anionic components, respectively. Stirring [2](+)[Ir(COD)Cl-2](-) under an atmosphere of carbon monoxide generated the corresponding Ir carbonyl complex [(1)(2)Ir(CO)(2)](+)[Ir(CO)(2)(Cl)(2)](-) ([3](+)[Ir(CO)(2)Cl-2](-)). Cyclic voltammetry (CV) measurements of the aforementioned complexes containing [(1)(2)Ir(COD)](+) showed that the iron-centered oxidations were concurrent, reflective of limited electronic coupling between the two ferrocenyl moieties. However, spectroelectrochemical analysis of [(1)(2)Ir(CO)(2)](+)[BAr4F](-) revealed that the electron density at the Ir centers supported by the Fc-NHC ligands decreased upon oxidation of the ferrocenyl groups, as evidenced by a ca. 10 cm(-1) increase in the recorded v(CO) bands. | - |
dc.identifier.bibliographicCitation | ORGANOMETALLICS, v.32, no.15, pp.4334 - 4341 | - |
dc.identifier.doi | 10.1021/om4004829 | - |
dc.identifier.issn | 0276-7333 | - |
dc.identifier.scopusid | 2-s2.0-84881540055 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/31482 | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/om4004829 | - |
dc.identifier.wosid | 000323143400040 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Cationic Iridium Complexes Containing Anionic Iridium Counterions Supported by Redox-Active N-Heterocyclic Carbenes | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Inorganic & Nuclear; Chemistry, Organic | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | OLEFIN METATHESIS CATALYSTS | - |
dc.subject.keywordPlus | DIAMINOCARBENE LIGANDS | - |
dc.subject.keywordPlus | TRANSFER HYDROGENATION | - |
dc.subject.keywordPlus | ELECTRONIC-PROPERTIES | - |
dc.subject.keywordPlus | RUTHENIUM CATALYSTS | - |
dc.subject.keywordPlus | PALLADIUM COMPLEXES | - |
dc.subject.keywordPlus | REVERSIBLY ALTER | - |
dc.subject.keywordPlus | METAL-COMPLEXES | - |
dc.subject.keywordPlus | NHC | - |
dc.subject.keywordPlus | RHODIUM | - |
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