Eur. J. Chem. volume 2, issue 2, P251-259 2011 DOI: 10.5155/eurjchem.2.2.251-259.380
Hatem Moustafa Gaber, Tarek Abdel-Mawgoud Moussa
Abstract:

KEYWORDSVersatile 2-(alkylthio)pyrimidine-type and 2-(phenacylamino)thiophene building blocks (4ad) and 16 were obtained based on an ortho functionalized thiophene derivative 1. A novel series of thieno[2,3-d]pyrimidin-4-one derivatives with annelated bridgehead nitrogen heterocycles was synthesized starting from precursors 4 and 16 through convenient methods. Cyclocondensation of 2-(phenacylthio)pyrimidinone derivative (4b) with sulfuric acid led to the tricyclic thiazole derivative 5. Initial hydrazinol…

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