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Updated: Aug 26, 2025

Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
Synthetic and Medicinal Perspective of 1,2,4-Triazole as Anticancer Agents
Bhagyashri Rathod1, Kapil Kumar1,2
1School of Pharmacy and Technology Management, SVKM's NMIMS, Hyderabad, Telangana, 509301, India.
Abstract:
Cancer is still one of the leading causes of death worldwide. Many researchers are working to design and develop heterocyclic-based drugs with the potential to treat cancer at various stages. There is always an unmet need to discover new anticancer drugs to treat different types of cancer. Based on literature reports, it was evident that hybrid 1,2,4-triazoles exhibit a wide spectrum of biological potential (particularly potent anticancer activity), as compared to the corresponding monocyclic compounds. In this review, we summarized fused/hybrid 1,2,4-triazole and poly-functionalized 1,2,4-triazoles as anticancer agents. Triazole may be fused with other heterocyclic scaffolds like pyrimidine, pyridine, piperidine, quinoxaline, quinazoline, thiadiazine, indole, phthalazine etc. A clear explanation of the method of synthesis, structure-activity relationship, and in vitro results plus the inhibitory concentration of new molecules are focused on in this review article.
Insights
Researchers are exploring novel heterocyclic compounds, specifically fused and hybrid 1,2,4-triazoles, for their potent anticancer activity. This review highlights their synthesis, structure-activity relationships, and in vitro efficacy against various cancers.
Area of Science:
- Medicinal Chemistry
- Organic Chemistry
- Pharmacology
Background:
- Cancer remains a leading global cause of mortality, necessitating the development of new therapeutic agents.
- Heterocyclic compounds, particularly 1,2,4-triazoles, show significant promise as anticancer drugs.
- There is a continuous need for novel anticancer drugs to combat diverse cancer types.
Purpose of the Study:
- To review fused/hybrid and poly-functionalized 1,2,4-triazoles as anticancer agents.
- To summarize synthetic strategies and structure-activity relationships of these compounds.
- To present in vitro results and inhibitory concentrations of novel triazole derivatives.
Main Methods:
- Literature review of fused/hybrid and poly-functionalized 1,2,4-triazoles.
- Analysis of synthetic methodologies for these heterocyclic scaffolds.
- Evaluation of structure-activity relationships and in vitro anticancer data.
Main Results:
- Fused/hybrid 1,2,4-triazoles demonstrate broad-spectrum biological potential, including potent anticancer activity.
- Various heterocyclic scaffolds, such as pyrimidine and quinazoline, can be fused with triazoles to enhance activity.
- Structure-activity relationship studies provide insights into optimizing anticancer efficacy.
Conclusions:
- Fused and poly-functionalized 1,2,4-triazoles represent a promising class of compounds for anticancer drug development.
- Further research into these derivatives could lead to novel therapeutic strategies for cancer treatment.
- Understanding structure-activity relationships is crucial for designing effective anticancer agents based on the 1,2,4-triazole core.
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