A One-Pot Synthesis of 2H-1,2,4-Thiadiazin-3(4H)-one 1,1-Dioxides and 5,6-Dihydro-1,4,3-oxathiazin-2(3H)-one 4,4-Dioxides
- 1 January 1988
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1988 (09) , 733-735
- https://doi.org/10.1055/s-1988-27692
Abstract
Dianions of alkanesulfonamides add to nitriles, and the resultant imine dianions are cyclized with a carbonyl equivalent to afford the known 2H-1,2,4-thiadiazin-3-(4H)-one 1,1-dioxide ring system. The use of aldehydes as electrophiles provides the novel 5,6-dihydro-1,4,3-oxathiazin-2(3H)-one 4,4-dioxide ring system.Keywords
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