321885-34-1Relevant articles and documents
[4+2] Cycloaddition reactions between 2,4-diamino-1-thia-3-azabutadienes and ketene. Synthesis of new 1,3-thiazin-6-ones, 1,3-thiazine-6-thiones and 2-thioxopyrimidin-4-ones
Landreau, Cyrille,Deniaud, David,Reliquet, Franc?oise,Reliquet, Alain,Meslin, Jean Claude
, p. 2667 - 2677 (2007/10/03)
The reaction of 2,4-diamino-1-thia-3-azabutadienes with an excess of ketene afforded 2-amino-1,3-thiazin-6-ones and 2-thioxopyrimidin-4-ones by [4+2] cycloaddition reaction. Reaction between thiazabutadienes and ketene gave rise to aminothiazinones, which