Ce. Stephens et Jw. Sowell, SYNTHESIS OF SUBSTITUTED PYRROLO[2,3-E][1,3,4]THIADIAZINE 4,4-DIOXIDES, Journal of heterocyclic chemistry, 33(6), 1996, pp. 1615-1617
A series of substituted pyrrolo[2,3-e][1,3,4]thiadiazine 4,4-dioxides
is synthesized from 1-substituted-2-amino-3-cyanomethylsulfonyl-4, 5-d
imethylpyrroles.