ChemInform Abstract: Synthesis and Biolo
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A. STANCZAK; W. LEWGOWD; W. PAKULSKA
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Article
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2010
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John Wiley and Sons
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Synthesis and Biological Activity of Some 4-Amino-3-cinnoline Carboxylic Acid Derivatives. Part 4. 2,4-Dioxo-1,2,3,4tetrahydropyrimido[5,4-c]cinnolines. -A new series of the title compounds (III) are prepared by cyclocondensation of the corresponding cinnolinecarboxamides (I) with oxalyl chloride,