<p>Scientific advances mainly involves the development of new and highly reactive compounds. Nitrogen and sulphur containing benzothiazines forms highly active heterocyclic agents. Benzothiazines are prominent class of heterocyclic compound. Many studies have been done in the development of benzothiazine analogues. Microwave assisted synthesis, regioselective techniques and other methods are also used for benzothiazine synthesis. Various methods have been developed for the synthesis of benzothiazine derivatives. Benzothiazines exhibits numerous therapeutic activities like anti-HIV, calcium antagonistic, anti-serotinin, analgesic, anti-mycobacterial anti-microbial, anti-oxidant, anti-rheumatic, anti-inflammatory, anti-hypertensive ,calcium channel blocker, anti-malarial, potassium channel opener, cardiovascular, anthelmintic, neuroprotective, aldose reductase inhibitor, herbicidal, pesticidal etc. This has raised the necessity to explore novel benzothiazine derivatives which can significantly contribute to the development of therapeutically active agents. And the newer development of novel benzothiazines derivatives also involves the same characteristic features and also contribute various activities. © RJPT. All rights reserved.</p>
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N. Rajiv, Sreelakshmi, N., Rajan, J., and Dr. Leena K. Pappachen, “A review on synthesis of benzothiazine analogues”, Research Journal of Pharmacy and Technology, vol. 10, pp. 1791-1797, 2017.