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Enhanced photostability of a Ruthenium(II) Polypyridyl Complex under highly oxidizing aqueous conditions by its partial inclusion into a cyclodextrin

Farràs, Pau
; 
Waller, Helen
; 
Benniston, Andrew C.
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Publication Date
2016-01-08
Keywords
Chemistry, Photostability, Ruthenium(II) Polypyridyl Complex, Cyclodextrin, Oxidizing aqueous conditions
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Article
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Citation
P. Farràs, H. Waller, A. C. Benniston (2016) 'Enhanced Photostability of a Ruthenium(II) Polypyridyl Complex under Highly Oxidizing Aqueous Conditions by its Partial Inclusion into a Cyclodextrin'. Chemistry Eur J, 22 :1133-1140.
Abstract
The complex [Ru(bpy)2L]2+, where bpy=2,2′-bipyridine, L=4-(phenylethynyl)-2,2′-bipyridine, was prepared in its racemic and resolved forms (Δ and Λ). The phenylethynyl unit on the bipyridine for the complex acts as a binding site for α-cyclodextrin in water (1:1 complex, K=3390 L mol−1) or β-cyclodextrin (2:1 complex, K1=887 L mol−1, K2=8070 L mol−1). The presence of the cyclodextrin provides partial protection to the complex under light-activated water oxidation conditions.
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Publisher
Wiley
Publisher DOI
10.1002/chem.201503485
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Attribution-NonCommercial-NoDerivs 3.0 Ireland
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School of Chemistry (Scholarly Articles)