105896-19-3Relevant articles and documents
s-TRIAZOLODIAZACYCLOALKANS. III. A NOVEL SYNTHESIS OF 2-ARYL-3-OXO-2,3,5,6,7,8-HEXAHYDRO-s-TRIAZOLOPYRIMIDINES
Krezel, Izabella
, p. 93 - 100 (2007/10/02)
A novel synthesis of s-triazolopyrimidines is described.Arylhydrazine hydrochloride react easily with 1-ethoxycarbonyl-2-methylthio-1,4,5,6-tetrahydropyrimidine to form hydrochlorides of cyclic arylaminoquanidines, which are then cyclized in aqueous K2CO3 medium into s-triazolopyrimidines.