Cited by 723Crystallography and molecular interactionsComputational Drug Discovery MethodsVanadium and Halogenation Chemistry

Halogen atoms in the modern medicinal chemistry: hints for the drug design

Hernandes, Marcelo, Cavalcanti, Suellen Melo, Moreira, Diogo Rodrigo, de Azevedo Junior, Walter, Leite, Ana Cristina·2010·Current Drug Targets

Abstract

A significant number of drugs and drug candidates in clinical development are halogenated structures. For a long time, insertion of halogen atoms on hit or lead compounds was predominantly performed to exploit their steric effects, through the ability of these bulk atoms to occupy the binding site of molecular targets. However, halogens in drug - target complexes influence several processes rather than steric aspects alone. For example, the formation of halogen bonds in ligand-target complexes is now recognized as a kind of intermolecular interaction that favorably contributes to the stability of ligand-target complexes. This paper is aimed at introducing the fascinating versatility of halogen atoms. It starts summarizing the prevalence of halogenated drugs and their structural and pharmacological features. Next, we discuss the identification and prediction of halogen bonds in protein-ligand complexes, and how these bonds should be exploited. Interesting results of halogen insertions during the processes of hit-to-lead or lead-to-drug conversions are also detailed. Polyhalogenated anesthetics and protein kinase inhibitors that bear halogens are analyzed as cases studies. Thereby, this review serves as one guide for the virtual screening of libraries containing halogenated compounds and may be a source of inspiration for the medicinal chemists.

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Crossref · 10.2174/138945010790711996

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  • From a synthesis point-of-view, the emergence of brorphine analogues differing in the halogen substituent seems not only feasible (only involving a one-step procedure), but may actually be likely, as halogenation is an important tool in drug optimization.

    “Specifically, from a synthesis point-of-view, the emergence of brorphine analogues differing in the halogen substituent seems not only feasible (only involving a one-step procedure), but may actually be likely, as halogenation is an important tool in drug optimization (Hernandes et al., 2010; Kurczab et al., 2019; Xu et al., 2014).”

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Authors
Hernandes, M., Cavalcanti, S. M., Moreira, D. R., de Azevedo Junior, W., & Leite, A. C.
Affiliations
Universidade Federal de Pernambuco (BR)
Corresponding author
Leite, Ana Cristina
Venue
Current Drug Targets
Published
2010-03-01
Volume
11
Issue
3
Pages
303-314
ISSN
1389-4501 (ISSN-L)
OpenAlex
W2105058945
Cited by
723
References
76
Citations by year
2026: 53 · 2025: 70 · 2024: 71 · 2023: 57 · 2022: 58 · 2021: 66 · 2020: 54 · 2019: 65 · 2018: 31 · 2017: 32 · 2016: 34 · 2015: 27 · 2014: 29 · 2013: 32 · 2012: 25
FWCI
17.58
Type
journal article
Language
en
Open access
closed
Locations
  • Current Drug Targets (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Crystallography and molecular interactions
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Physical Sciences › Chemistry › Inorganic Chemistry › Vanadium and Halogenation Chemistry
Keywords
halogen bonding, hit-to-lead optimization, protein-ligand complex, protein kinase inhibitors, drug design
MeSH terms
Animals, Binding Sites, Chemistry, Pharmaceutical, Halogens, Humans, Ligands, Models, Molecular, Protein Binding, Drug Design, Drug Delivery Systems

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