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Published on: June 23, 2019
Pyridine-containing antitumor agents: structure-oriented medicinal chemistry, structure-activity relationships, and
Wei Zhao1, Beibei Bie2, Juning Wang2
1School of Medicine, Xi'an Peihua University, Xi'an, 710125, China. 004157@peihua.edu.cn.
Pyridine motifs are context-dependent in antitumor drug design. This review synthesizes principles for using pyridine scaffolds, focusing on structure-activity relationships (SAR) and ADMET properties for effective cancer therapeutics.
Area of Science:
- Medicinal Chemistry
- Organic Chemistry
- Pharmacology
Background:
- Pyridine is a prevalent nitrogen-containing heteroaromatic motif in antitumor medicinal chemistry.
- The utility of pyridine scaffolds in drug design is highly context-dependent, necessitating a nuanced approach.
Purpose of the Study:
- To synthesize structure-oriented medicinal chemistry principles for pyridine-related motifs in antitumor drug design.
- To provide a practical framework for future scaffold design by grouping compounds based on the function of their pyridine motifs.
Main Methods:
- Review of pyridine-containing antitumor agents, including approved drugs, antibody-drug conjugate (ADC) payloads, targeted degraders, and metal complexes.
- Emphasis on target recognition, scaffold organization, structure-activity relationship (SAR), drug metabolism and pharmacokinetics (DMPK), and ADMET liabilities.
Main Results:
- Pyridine motifs can support target binding, property tuning, and modality adaptation in various antitumor agents.
- Analysis highlights the critical role of integrated structural, SAR, DMPK, and ADMET data in validating pyridine scaffold utility.
Conclusions:
- Pyridine should not be considered a universally privileged scaffold but rather a context-dependent design module.
- Effective utilization of pyridine motifs requires validation through comprehensive preclinical and translational evidence.
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