An efficient and convenient route for synthesis of novel bis 4H-chromene-3-
carbonitrile derivatives is reported. The synthetic pathway involves one pot, multi-component
reaction of bis-aldehydes, malononitrile, and dimedone in the presence of a catalytic amount of
piperidine. A stepwise approach for the synthesis of the target compounds was also investigated.
Keywords: Bis-aldehydes, bis-arylidenemalononitriles, multicomponent reactions,
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