Journal
CHEMMEDCHEM
Volume 17, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cmdc.202100706
Keywords
Unsaturation; geometric isomerism; matched molecular pairs; styryl group; styryl fluorophores
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Funding
- CSIR Young Scientist Award (CSIR-YSA) [P90807]
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This paper investigates the important role of the styryl group in medicinal chemistry, pointing out the advantages and disadvantages of styryl compounds in drugs, and discusses their impact on biological activity.
The styryl (Ph-CH=CH-R) group is widely represented in medicinally important compounds, including drugs, clinical candidates, and molecular probes as it positively impacts the lipophilicity, oral absorption, and biological activity. The analysis of matched molecular pairs (styryl vs. phenethyl, phenyl, methyl, H) for the biological activity indicates the superiority aspect of styryl compounds. However, the Michael acceptor site in the styryl group makes it amenable to the nucleophilic attack by biological nucleophiles and transformation to the toxic metabolites. One of the downsides of styryl compounds is isomerization that impacts the molecular conformation and directly affects biological activity. The impact of cis-trans isomerism and isosteric replacements on biological activity is exemplified. We also discuss the styryl group-bearing drugs, clinical candidates, and fluorescent probes. Overall, the present review reveals the utility of the styryl group in medicinal chemistry and drug discovery.
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