Synthesis and characterization of redox active cyrhetrene–triazole click products

Day, David, Dann, Thomas, Blagg, Robin and Wildgoose, Gregory (2014) Synthesis and characterization of redox active cyrhetrene–triazole click products. Journal of Organometallic Chemistry, 770. pp. 29-34. ISSN 0022-328X

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We report the synthesis and characterization of two new cyclopentadienyl tricarbonyl rhenium(I) (cyrhetrene) complexes modified with a 1,4-disubstituted 1,2,3-triazole moiety. The two compounds, (η5-[4-phenyltriazol-1-yl]cyclopentadienyl) tricarbonyl rhenium(I), and (η5-[4-(4-aminophenyl)triazol-1-yl]cyclopentadienyl) tricarbonyl rhenium(I), were structurally characterized using 1H and 13C NMR, ATR-IR spectroscopy, UV–vis spectroscopy, mass spectrometry and X-ray crystallography where appropriate. The electrochemical behaviour of these two cyrhetrene–triazole complexes was explored using cyclic voltammetry, whereupon we observed that irreversible oxidation of the pendant 4-substituted-triazole moiety occurs before any electron transfer at the metal centre. This redox behaviour is in stark contrast to that of the analogous manganese(I) cymantrene–triazole derivatives, recently reported by our group.

Item Type: Article
Uncontrolled Keywords: cyclopentadienylrhenium tricarbonyl ,click chemistry,triazole,electrochemistry
Faculty \ School: Faculty of Science > School of Chemistry
Faculty of Science
UEA Research Groups: Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017)
Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017)
Depositing User: Pure Connector
Date Deposited: 04 Nov 2014 12:16
Last Modified: 21 Oct 2022 00:14
DOI: 10.1016/j.jorganchem.2014.07.020


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