Review of synthesis process of benzoxazole and benzothiazole derivatives

In plain language

Benzoxazoles and benzothiazoles are related aromatic heterocyclic compounds formed by fusing a benzene ring to an oxazole or thiazole ring. These chemical families display a broad variety of useful properties, including biological, pharmaceutical, agrochemical, and physicochemical activities. Specific functional capabilities identified across their derivatives include anticancer, anti-inflammatory, antioxidant, anticonvulsant, antitubercular, antifungal, and pesticidal effects, alongside anticorrosive and complexing behaviours. Because of this wide utility, chemists globally have investigated numerous synthetic pathways over recent decades. This review outlines recent synthetic strategies developed to prepare benzoxazole and benzothiazole derivatives, while also examining selected biological properties associated with these chemical structures.

Key takeaways

Benzoxazoles and benzothiazoles are aromatic heterocycles with benzene rings fused to oxazole or thiazole cores.
These derivatives show diverse therapeutic profiles, including anticancer, antifungal, antitubercular, and anti-inflammatory properties.
Beyond medicine, the compounds display agricultural and material utilities such as pesticidal, complexing, and anticorrosive actions.
The review outlines recent synthetic methodologies developed to produce both classes of compounds.

Why it matters

Benzoxazole and benzothiazole compounds serve as foundational building blocks across medicine, agriculture, and materials science. Because they can combat fungal infections, cancer, tuberculosis, and corrosion, understanding efficient chemical pathways to produce them helps synthetic chemists discover and refine active ingredients for essential therapies and crop protection products.

Commercialisation angle

The described compounds possess potential relevance for pharmaceutical companies, agrochemical manufacturers, and industrial coating developers targeting disease treatments, pesticides, or corrosion inhibitors. However, the abstract outlines a literature review of synthetic strategies and biological profiles, indicating the content reflects early-stage research rather than immediate, market-ready products.

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Abstract

Benzoxazoles and benzothiazoles are a class of aromatic heterocyclic compounds having similar ring structures, in which a benzene ring is fused to the 4 and 5 positions of the 1,3-oxazole and 1,3-thiazole rings respectively. They constitute an interesting class of organic compounds due to their powerful and significant biological, agrochemical, pharmaceutical and physicochemical activities. Indeed, benzoxazole and benzothiazole derivatives possess a wide range of applications, such as: anticancer, anti-inflammatory, antioxidant, anticonvulsant, antitubercular, antifungal, pesticidal, anticorrosive, complexing properties and so on. The synthesis of benzoxazole and benzothiazole derivatives has attracted much attention from several researchers across the world and numerous synthetic methods have been developed to access these compounds over the past decades. In this review, we present new and recent synthetic strategies, as well as some biological properties of benzoxazole and benzothiazole derivatives.

Research topics

Synthesis and biological activity
Multicomponent Synthesis of Heterocycles
Synthesis and Biological Evaluation

Discussion

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