A New, Facile Synthesis of 4-Alkyl- and Aryl-Substituted 3-Amino-4H-1,2,4-benzothiadiazine 1,1-Dioxides

Article abstract of DOI:10.1055/s-1986-31810

A new efficient preparation of 4-alkyl and aryl-substituted 3-amino-4H-1,2,4-benzothiadiazine 1,1-dioxides (3) is described via the 3-chloro derivatives of 4-alkyl and aryl substituted 3-oxo-2H-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxides (1) on their