DOI: 10.3987/COM-89-5217

A theoretical study of the structure and tautomerism on 1,2,4,6-thiatriazine 1,1-dioxide

"Ab initio" theoretical Calculations have been used to study the structure and annular tautomerism of 2(4)H-1,2,4,6-thiatriazine 1,1-dioxide. The 4H-tautomer has been found to be the most stable in agreement with ¹H-, ¹³C- and ¹⁵N-nmr data.