Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Shunichi Fukuzumi | * |
dc.date.accessioned | 2016-08-28T10:08:22Z | - |
dc.date.available | 2016-08-28T10:08:22Z | - |
dc.date.issued | 2013 | * |
dc.identifier.issn | 1477-9226 | * |
dc.identifier.other | OAK-9701 | * |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/223380 | - |
dc.description.abstract | [Ir6(μ-alloCl2 2-)3(Cp* )6(OH)3](PF6)3 (1) having 7,8-dichloroalloxazine dianion (alloCl2 2-) as bridging ligands was synthesized and characterized by X-ray crystallography, spectroscopic and electrochemical measurements. The alloxazine ligands showed unprecedented coordination modes to link the six Ir(iii) centres. The complex exhibited remarkable stability and reversible six-electron redox processes at the bridging alloxazine ligands in organic solvents. The first reversible reduction process occurred on each of three alloxazine ligands in 1 to produce a three-electron-reduced species, [IrIII 6Cp* 6(μ-alloCl2 3-)3(OH)3], and was observed as an apparent one-step reduction process at -0.65 V (vs. Fc0/+). The second reversible reduction process on each of the three alloxazine ligands in 1 was recorded at almost the same potential, -0.78 V (vs. Fc0/+), to afford the six-electron-reduced form, [Ir III 6Cp*6(μ-alloCl2 4-)3(OH)3]3-. The radical anion of the alloxazine derivative was detected by EPR measurements at room temperature. After the six-electron reduction of 1 with cobaltocene, the backward oxidation processes of reduced forms with p-chloranil were traced by UV-Vis spectroscopy to confirm the recovery of the original spectrum of 1. © 2013 The Royal Society of Chemistry. | * |
dc.language | English | * |
dc.title | A triangular prismatic hexanuclear iridium(iii) complex bridged by flavin analogues showing reversible redox processes | * |
dc.type | Article | * |
dc.relation.issue | 8 | * |
dc.relation.volume | 42 | * |
dc.relation.index | SCI | * |
dc.relation.index | SCIE | * |
dc.relation.index | SCOPUS | * |
dc.relation.startpage | 2773 | * |
dc.relation.lastpage | 2778 | * |
dc.relation.journaltitle | Dalton Transactions | * |
dc.identifier.doi | 10.1039/c2dt32535g | * |
dc.identifier.wosid | WOS:000314266300015 | * |
dc.identifier.scopusid | 2-s2.0-84873289499 | * |
dc.author.google | Inui Y. | * |
dc.author.google | Shiro M. | * |
dc.author.google | Kusukawa T. | * |
dc.author.google | Fukuzumi S. | * |
dc.author.google | Kojima T. | * |
dc.contributor.scopusid | Shunichi Fukuzumi(35430038100;58409757400) | * |
dc.date.modifydate | 20240401081001 | * |