Benzothiazole Derivatives in Medicinal Applications

Benzothiazole derivatives represent a privileged class of heterocyclic compounds distinguished by a benzene ring fused to a thiazole nucleus. This scaffold has attracted sustained interest in medicinal chemistry owing to its structural versatility, ease of functionalisation and broad spectrum of biological activities. Derivatives have been explored as anticancer agents targeting kinases and tumour-associated enzymes, as anti-inflammatory and analgesic candidates with non-steroidal profiles, and as antimicrobial and antiviral leads that disrupt key pathogen pathways. Advances in green synthetic methods and hybridisation strategies—linking benzothiazole cores to ureas, profens or phthalimides—have enhanced pharmacokinetic properties and target specificity. Contemporary research emphasises fine-tuning of physicochemical parameters such as lipophilicity and plasma-protein binding, alongside mechanistic studies of apoptosis induction, angiogenesis inhibition and oxidative stress modulation. The global significance of benzothiazole scaffolds lies in their adaptability to unmet therapeutic needs, from resistant cancers to chronic inflammatory disorders, reinforcing their status as essential building blocks in drug discovery.

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Benzothiazole Derivatives in Medicinal Applications publication trend

The graph below shows the total number of articles in benzothiazole derivatives in medicinal applications across all publications each year (not limited to Nature Index journals).

Technical terms

Benzothiazole scaffold: Bicyclic heterocycle comprising a benzene ring fused to a thiazole ring, serving as a versatile pharmacophore in drug design.

IC50: The concentration of a compound required to inhibit 50% of a specific biological or biochemical function in vitro.

VEGFR-2: Vascular endothelial growth factor receptor-2, a key receptor tyrosine kinase involved in angiogenesis and tumour progression.

Reactive oxygen species (ROS): Chemically reactive molecules derived from oxygen that can induce cellular damage or signal apoptosis pathways.

Mitochondrial transmembrane potential: The electrochemical gradient across the mitochondrial membrane, essential for ATP production and regulation of apoptosis.

References

1. Design, Synthesis and Biological Activities of (Thio)Urea Benzothiazole Derivatives. International Journal of Molecular Sciences (2023).
2. New benzothiazole hybrids as potential VEGFR-2 inhibitors: design, synthesis, anticancer evaluation, and in silico study. Journal of Enzyme Inhibition and Medicinal Chemistry (2023).
3. A novel benzothiazole derivative induces apoptosis via the mitochondrial intrinsic pathway producing antitumor activity in colorectal cancer. Frontiers in Pharmacology (2023).
4. Benzothiazole-Phthalimide Hybrids as Anti-Breast Cancer and Antimicrobial Agents. Antibiotics (2023).
5. Synthesis of Novel Benzothiazole–Profen Hybrid Amides as Potential NSAID Candidates. Molecules (2024).
6. In the pursuit of novel therapeutic agents: synthesis, anticancer evaluation, and physicochemical insights of novel pyrimidine-based 2-aminobenzothiazole derivatives. RSC Advances (2024).
7. Recent Advances in Synthesis of Benzothiazole Compounds Related to Green Chemistry. Molecules (2020).
8. Novel anti-inflammatory and analgesic agents: synthesis, molecular docking and in vivo studies. Journal of Enzyme Inhibition and Medicinal Chemistry (2018).