Recent Advances in the Application of 2‐Aminobenzothiazole to the Multicomponent Synthesis of Heterocycles

Heterocycles are a vital class of compounds in numerous fields, including drug discovery, agriculture, and materials science. Efficient methods for the synthesis of heterocycles remain critical for meeting the demands of these industries. Recent advances in multicomponent reactions (MCRs) utilizing 2‐aminobenzothiazole (ABT) have shown promising results for the formation of heterocycles. The versatility of 2‐aminobenzothiazole in this context has enabled the rapid and efficient construction of diverse heterocyclic structures. Various synthetic methodologies and reactions involving 2‐aminobenzothiazole are discussed, highlighting its importance as a valuable building block in the synthesis of complex heterocycles. The potential applications of these heterocycles in drug discovery and material science are also explored. Overall, this review provides a comprehensive overview of the current state of research in the field and offers insights into the future directions of this promising area of study. We highlight the potential of ABT as a versatile and sustainable starting material in heterocyclic synthesis via MCRs, with significant implications for the chemical industry. This review highlights recent advances in multicomponent reactions using 2‐aminobenzothiazole as a starting material in the synthesis of diverse heterocycles. These reactions enable the efficient and sustainable construction of novel bioactive molecules and pharmaceuticals. The current significance of these methodologies in modern organic chemistry is discussed, along with future perspectives. The review summarizes literature published from 2017 through early 2024.