Synthesis and Biological Evaluation of Heterocyclic Compounds

Heterocyclic compounds, characterised by rings that contain atoms such as nitrogen, oxygen or sulfur alongside carbon, occupy a central position in modern organic and medicinal chemistry. Advances in synthetic methodology have enabled the construction of diverse ring systems—ranging from five-membered oxazoles and oxadiazoles to fused benzoxazines and thiadiazoles—via metal-catalysed cyclisations, photochemical cascades, multicomponent reactions and biocatalytic processes. Emphasis on green chemistry has driven the adoption of visible‐light activation and enzyme‐mediated oxidations, reducing reliance on stoichiometric reagents and harsh conditions. Once assembled, these heterocycles undergo rigorous biological evaluation in cell‐based and biochemical assays to assess antimicrobial, anticancer, antioxidant and antiparasitic activities. Structure–activity relationships guide optimisation of potency, selectivity and pharmacokinetic properties, while mechanistic studies elucidate molecular targets and modes of action. Collectively, these efforts have yielded novel drug leads, agrochemical candidates and functional materials, demonstrating the global significance of heterocyclic synthesis and biological evaluation in addressing health, sustainability and technological challenges.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Synthesis and Biological Evaluation of Heterocyclic Compounds publication trend

The graph below shows the total number of articles in synthesis and biological evaluation of heterocyclic compounds across all publications each year (not limited to Nature Index journals).

Technical terms

Heterocyclic compound: Organic molecules featuring rings with at least one atom other than carbon, often essential in pharmaceuticals.

Oxazole: A five-membered aromatic ring containing one oxygen and one nitrogen atom, commonly employed as a bioactive scaffold.

Benzoxazine: A bicyclic heterocycle formed by fusion of a benzene ring with an oxazine ring, notable for diverse biological activities.

Biocatalysis: The use of enzymes or biological catalysts to facilitate chemical transformations under mild conditions.

Inverse electron-demand Diels–Alder (IEDDA) cycloaddition: A pericyclic reaction in which an electron-deficient diene reacts with an electron-rich dienophile, used to construct heterocycles.

References

1. Photochemical three-component assembly of tri-substituted oxazoles through a carbenic phosphorus-nitrile hybrid ylide formation/trapping cascade. Chemical Science (2024).
2. Biocatalytic Generation of o‑Quinone Imines in the Synthesis of 1,4-Benzoxazines and Its Comparative Green Chemistry Metrics. ACS Sustainable Chemistry & Engineering (2024).
3. Design and Synthesis of Novel Antioxidant 2-Substituted-5,7,8-Trimethyl-1,4-Benzoxazine Hybrids: Effects on Young and Senescent Fibroblasts. Antioxidants (2024).