A simple and efficient method has been developed for the rapid synthesis of substituted 4H-1, 4-benzothiazines (3) from 2-aminobenzenethiols (1) and β-ketoester/β-diketones (2) in dry media under microwave irradiation using basic alumina as solid support. ... A simple and efficient method has been developed for the rapid synthesis of substituted 4H-1, 4-benzothiazines (3) from 2-aminobenzenethiols (1) and β-ketoester/β-diketones (2) in dry media under ...
[Dandia, Anshu; Sarawgi, Pritima; Hursthouse, Michael B.; Bingham, Ann L.; Light, Mark E.; Drake, John E.; Ratnani, Raju Journal of Chemical Research, 2006 , # 7 p. 445 - 448]