Hydroxypyridinone Derivatives: A Fascinating Class of Chelators with Therapeutic Applications - An Update

Author(s): Sílvia Chaves, Luca Piemontese, Asha Hiremathad, M. Amélia Santos*

Journal Name: Current Medicinal Chemistry

Volume 25 , Issue 1 , 2018

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Hydroxypyridinones (HPs) are a family of N-heterocyclic metal chelators, which have been an attractive target in the development of a variety of new pharmaceutical drugs, due to their high metal chelating efficacy/specificity and easy derivatization to tune the desired biological properties. In fact, along the last decades, hydroxypyridinone derivatives, but mostly 3-hydroxy-4-pyridinone (3,4-HP), have been intensively used in drug design, following either a multitarget approach, in which one chelating unity is extrafunctionalized (hybridized) to enable the interaction with other important specific biological sites, or a polydenticity approach, in which more than one chelating moiety is conveniently attached to one scaffold, to increase the metal chelating efficacy. This review represents an update of the most recent publications (2014-2016) in mono-HP hybrids, namely as potential anti-Alzheimer's drugs, inhibitors of metalloenzymes and anti-microbials, and also polychelating compounds (poly- HP), in view of potential application, such as anti-microbial/biostatic agents, luminescent biosensors or diagnostic agents.

Keywords: Hydroxypyridinones, 3-hydroxy-4-pyridinones, iron chelators, anti-neurodegeneratives, bioinorganic medicinal chemistry.

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Article Details

Year: 2018
Page: [97 - 112]
Pages: 16
DOI: 10.2174/0929867324666170330092304
Price: $65

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