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Communication | Regular issue | Vol 22, No. 3, 1984, pp.471-472
Published online, 1st January, 1970
DOI: 10.3987/R-1984-03-0471
Synthesis of 4H-1,2,4,6-Thiatriazine 1,1-Dioxide: A Precursor of 4-Cyano-1,2,6-thiadiazine 1,1-Dioxides

Pilar Goya,* Carmen Ochoa, Juan Antonio Páez, Isabel Rozas, and Manfred Stud

*Instituto de Química Médica, C. S. I. C., Calle Juan de Cierva, 3, 28006 Madrid, Spain


4H-1,2,4,6-thiatriazine 1,1-dioxide, obtained from sulfamide and ethyl orthoformate, reacted with ethyl cyanoacetate and malononitrile to give the corresponding 4-cyano-1,2,6-thiadiazine 1,1-dioxide derivatives.