Simple condensation reaction of 6-amino-pyrimidine-2(1H)-thiones with aromatic aldhydes afforded 6-(arylidene-amino)-pyrimidine-2-(1H)-thiones derivatives, that react with -nitrostyrene to give pyrido[2,3-d] pyrimidine-2-(1H)-thiones derivatives , the latter compounds served as key intermediate for the synthesis of a new class of pyrimidine-S-glycosides by the reaction with α-bromoglucose tetracetate. Deacetylation of glycoside have been achieved The structure of the compounds were established and confirmed on the basis of their elemental analysis and spectral data.
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