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Paper | Regular issue | Vol 32, No. 2, 1991, pp.279-284
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5633
Synthesis and E/Z Stereoisomerism of 6-Carbaldoxime Derivatives of Pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-Dioxide

Ibon Alkorta, Pilar Goya,* and Juan Antonio Páez

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

Abstract

The synthesis of 6-carbaldoxime derivatives of pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-dioxide is reported. Tautomerism and E/Z stereoisomerism are discussed on the basis of uv and nmr spectral data.