Comparison of pharmacophore cinnoline and quinoline systems on the basis of computer calculation and pharmacological screening of their condensed systems.


A series of new pyrimido[5,4-c]quinoline derivatives were prepared to compare the pharmacophore systems of cinnoline and quinoline. These compounds were obtained by the cyclocondensation of appropriately substituted 4-amino-3-quinolinecarboxylic acids 3 with acetic anhydride to the respective 2-methyl-1,3-oxazino[5,4-c]quinolin-4(3 H)-ones 4. These… (More)


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