Puglisi, Antonino, Spencer, John, Oliveri, Valentina, Vecchio, Graziella, Kong, Xiaole, Clarke, James and Milton, John (2011) Synthesis, physicochemical properties and antioxidant activity of deferiprone-cyclodextrin conjugates and their iron(iii) complexes. Dalton Transactions, 41 (10). pp. 2877-2883. ISSN 1477-9226 (Print), 1477-9234 (Online) (doi:10.1039/c1dt11677k)

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Abstract

3-Hydroxy-1,2-dimethylpyridin-4(1H)-one (deferiprone) is a successful iron chelator, which has been widely investigated for its activity in mitigating iron overload and in protecting against oxidative stress due to Reactive Oxygen Species (ROS). Herein, we present the synthesis, characterisation, physicochemical properties and antioxidant activity of two novel bioconjugates of β-cyclodextrin bearing the deferiprone moiety either on the upper rim (1) or on the lower rim (2) of the cyclodextrin and their iron(III) complexes. Protonation and iron stability constants were measured by spectrophotometric titration for the two systems and antioxidant activity studied for both the ligands and the iron(III) complexes.

Item Type:	Article
Additional Information:	[1] Acknowledgements (funding): This work was supported by Oxford Nanopore Technologies Ltd and by MIUR (2008R23Z7K, Firb2011_RBAP114AMK).
Uncontrolled Keywords:	chemistry, organic
Subjects:	Q Science > Q Science (General) Q Science > QC Physics Q Science > QD Chemistry
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science > School of Science (SCI)
Related URLs:	Publisher
Last Modified:	17 Oct 2016 09:11
URI:	http://gala.gre.ac.uk/id/eprint/7806

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