Abstract
A one-potsynthesis of novel chromeno[3,2-f]quinoline derivatives has been achieved with good yields through Michael Initiated Ring Closure by employing a three-component condensation of an aromatic aldehyde, 5,5-dimethylcyclohexane-1,3-dione and 6-hydroxyquinoline in the presence of a catalytic amount of Et3N in ethanol under reflux conditions. The salient features of this protocol are a simple reaction procedure, good yields, avoidance of an aqueous work-up and simple purification by recrystallisation.
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