Synthesis and physicochemical properties of 1, 2, 6-thiadiazine 1, 1-dioxides. A comparative study with pyrazoles

…, C Esteban-Calderon, M Martinez-Ripoll…

Index: Elguero, Jose; Ochoa, Carmen; Stud, Manfred; Esteban-Calderon, Carmen; Martinez-Ripoll, Martin; et al. Journal of Organic Chemistry, 1982 , vol. 47, # 3 p. 536 - 544

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Citation Number: 34

Abstract

The chemical and structural properties of 18 l, 2, 6-thiadiazine 1, l-dioxides have been studied. By comparison with the corresponding pyrazoles it could be established that there are some analogies between pyrazoles and thiadiazine 1, l-dioxides, but because of the great difference in aromaticity, both series of heterocycles behave quite differently in other cases. However, a rough parallelism is observed in the tautomeric equilibrium, the I3C ...