The unexplored potential of quinone methides in chemical biology

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Title: The unexplored potential of quinone methides in chemical biology
Authors: Di Antonio, M
Minard, A
Liano, D
Wang, X
Item Type: Journal Article
Abstract: Quinone methides (QMs) are transient reactive species that can be efficiently generated from stable precursors under a variety of biocompatible conditions. Due to their electrophilic nature, QMs have been widely explored as cross-linking agents of DNA and proteins under physiological conditions. However, QMs also have a diene character and can irreversibly react via Diels-Alder reaction with electron-rich dienophiles. This particular reactivity has been recently exploited to label biomolecules with fluorophores in living cells. QMs are characterised by two unique properties that make them ideal candidates for chemical biology applications: i) they can be efficiently generated in situ from very stable precursors by means of bio-orthogonal protocols ii) they are reversible cross-linking agents, making them suitable for “catch and release” target-enrichment experiments. Nevertheless, there are only few examples reported to date that truly take advantage of QMs unique chemistry in the context of chemical-biology assay development. In this review, we will examine the most relevant examples that illustrate the benefit of using QMs for chemical biology purposes and we will anticipate novel approaches to further their applications in biologically relevant contexts.
Issue Date: 15-Jun-2019
Date of Acceptance: 1-Apr-2019
ISSN: 0968-0896
Publisher: Elsevier
Start Page: 2298
End Page: 2305
Journal / Book Title: Bioorganic and Medicinal Chemistry
Volume: 27
Issue: 12
Copyright Statement: © 2019 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence
Sponsor/Funder: Biotechnology and Biological Sciences Research Council (BBSRC)
Funder's Grant Number: BB/R011605/1
Keywords: Bioorthogonal ligations
Live-cell imaging
Photo-click chemistry
Quinone methides
0304 Medicinal and Biomolecular Chemistry
1115 Pharmacology and Pharmaceutical Sciences
0305 Organic Chemistry
Medicinal & Biomolecular Chemistry
Publication Status: Published
Embargo Date: 2020-04-02
Online Publication Date: 2019-04-02
Appears in Collections:Chemistry
Faculty of Natural Sciences

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