ChemInform Abstract: Synthesis of New 2-
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S. M. HASSAN; M. M. KHAFAGY; H. A. EMAN; A. A. EL-MAGHRABY
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Article
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2010
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John Wiley and Sons
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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