A. Esmaeili, Abbas Moradi, Mahdieh Zangouei
Dec 1, 2017
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Journal
Journal of Chemical Research
Abstract
The reaction of 2-oxo-2H-chromene-3-carbonitriles with dialkyl acetylenedicarboxylates and pyridines results in a three-component condensation reaction in which the 2-oxo-2H-chromene-3-carbonitrile group acts as a dipolarophile to produce benzopyrano[3,4-a] quinolizines under mild conditions in good yield.