102817-89-0Relevant articles and documents
Heterocyclen-Synthesen mit Monothiomalonsaeure-Amiden: Synthese von 3-Oxo-2,3-dihydroisothiazolopyridinen und 3-Oxo-2,3-dihydroisothiazolopyrimidinen
Schaper, Wolfgang
, p. 861 - 867 (2007/10/02)
The monothiomalonic acid amides 5, prepared from cyanoacetamides 4 and hydrogen sulphide, react with diketones 6 or aldehyde derivatives 7 to give the 2-thioxo-1,2-dihydropyridine-3-carboxamides 8 which can be cyclised to the 3-oxo-2,3-dihydroisothiazolo