A Convenient and General Synthesis of 2-Aryl- and 2-Pyridyl-3-oxo-3,4-dihydro-2H-1,4-benzothiazines

Article abstract of DOI:10.1055/s-1990-27051

The reaction of bis(2-aminophenyl) disulphide 1 with methyl or ethyl aryl- or pyridylacetates and sodium hydride gives the title compounds in good yield and high purity.The reaction is general, the starting materials easily available and the workup is simple and rapid.