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ChemInform Abstract: Utility of Cyanoacetamides as Precursors to Pyrazolo[3,4-d]pyrimidin-4-ones, 2-Aryl-6-substituted 1,2,3-Triazolo[4,5-d]pyrimidines and Pyrazolo[1,5-a]pyrimidine-3-carboxamides.

✍ Scribed by Hamada Mohamed Ibrahim; Saad Makhseed; Ramadan Maawad Abdel-Motaleb; Abdel-Moneim Abdel-Salam Makhlouf; Mohamed Hilmy Elnagdi

Publisher
John Wiley and Sons
Year
2008
Weight
43 KB
Volume
39
Category
Article
ISSN
0931-7597

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Synthesis of New 2-Substituted-pyrazolo[4',3':5,6]pyrano[3,2e][1,2,4]triazolo [1,5-c]pyrimidine Derivatives. -Starting from pyrazole (III) the pyrimidine (V) is prepared which is further treated with different carboxylic acid derivatives to form novel pyrimidines of type (VI) and (VIII). Preparatio