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Updated: Jul 8, 2026
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Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
1,2,3-Triazole-Linked Chalcones as Privileged Scaffolds in Anticancer Agents
Sumeyya Koldas1,2, Guler Yagiz Erdemir1, Ahsen Kilic3,4
1Department of Chemistry, Faculty of Science, Gazi University, Ankara, Türkiye.
Archiv Der Pharmazie
|July 7, 2026
Summary
New triazole-chalcone derivatives show moderate anti-cancer activity. Compounds 6c, 6e, and 6f effectively reduced cancer cell viability and showed preliminary selectivity against non-cancer cells, with 6f being the most potent lead compound.
Area of Science:
- Medicinal Chemistry
- Cancer Biology
- Drug Discovery
Background:
- Chalcone derivatives are recognized for their diverse biological activities.
- Triazole moieties can enhance the pharmacological properties of organic compounds.
- Developing novel anti-cancer agents with improved potency and selectivity remains a critical challenge.
Purpose of the Study:
- To synthesize and evaluate novel triazole-substituted chalcone derivatives for anti-proliferative and cytotoxic effects.
- To identify lead compounds with potential as anti-cancer therapeutics.
- To assess the preliminary selectivity of synthesized compounds against cancer versus non-cancer cell lines.
Main Methods:
- Synthesis of a series of triazole-substituted chalcone derivatives.
- In vitro screening of compounds against FaDu (head and neck squamous cell carcinoma) cells to determine IC50 values.
- Evaluation of the most active compounds against CaCo-2 (colon cancer) and A549 (lung adenocarcinoma) cell lines.
- Assessment of cytotoxicity in a non-cancer PNT1a (prostate epithelial) cell line to gauge selectivity.
- Colony formation assays and apoptosis-related assessments for the most promising compound.
Main Results:
- Compounds 6c, 6e, and 6f demonstrated significant in vitro anti-proliferative activity against FaDu cells.
- These compounds exhibited micromolar-range activity (IC50 < 50 µM) across multiple cancer cell lines (FaDu, CaCo-2, A549).
- Compounds 6c, 6e, and 6f showed relatively lower cytotoxicity in the non-cancer PNT1a cell line, indicating a preliminary selectivity window.
- Compound 6f was the most potent, significantly inhibiting colony formation and increasing apoptosis markers in cancer cells.
Conclusions:
- Triazole-substituted chalcone derivatives, particularly compounds 6c, 6e, and 6f, are promising lead compounds for anti-cancer drug development.
- Compound 6f demonstrates notable potency and preliminary selectivity, warranting further investigation.
- Structure-activity relationship studies are recommended to optimize potency and selectivity for future therapeutic applications.
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