Unexpected result in the reaction of 3-amino-3-thioxopropanamides with 2-anilinomethylene derivatives of 1,3-dicarbonyl compounds. synthesis of pyrimidine-5-carboxamide derivatives
The interaction of 3-amino-3-thioxopropanamides with 2-anilinomethylene derivatives of dimedone, 1,3-cyclohexanedione and Meldrum's acid led to the formation of 2-(2-amino-2-oxoethyl)-6-thioxo-1,6-dihydropyrimidine-5- carboxamides. The latter were alkylated in alkaline medium with the formation of 4-(alkylthio)pyrimidine-5-carboxamide derivatives.
Dotsenko,Frolov,Krivokolysko,Polovinko
p. 440 - 451
(2013/07/26)
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