Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 62, Issue 12, Pages 5673-5724Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.8b01153
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Funding
- Institutional Strategy of the University of Tubingen (Deutsche Forschungsgemeinschaft) [ZUK 63]
- Postdoctoral Fellowship Programme of the Baden-Wurttemberg Stiftung
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Targeted covalent inhibitors (TCIs) are designed to bind poorly conserved amino acids by means of reactive groups, the so-called warheads. Currently, targeting noncatalytic cysteine residues with acrylamides and other alpha,beta-unsaturated carbonyl compounds is the predominant strategy in TCI development. The recent ascent of covalent drugs has stimulated considerable efforts to characterize alternative warheads for the covalent-reversible and irreversible engagement of noncatalytic cysteine residues as well as other amino acids. This Perspective article provides an overview of warheads-beyond alpha,beta-unsaturated amides-recently used in the design of targeted covalent ligands. Promising reactive groups that have not yet demonstrated their utility in TCI development are also highlighted. Special emphasis is placed on the discussion of reactivity and of case studies illustrating applications in medicinal chemistry and chemical biology.
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