Synthesis and Antioxidant Activity of Indolyl Chromenes. -A simple and efficient method for the synthesis of indolyl chromenes (IV) by one-pot three-component reaction of various salicylaldehydes, malononitrile, and indole catalyzed by L-proline in water is developed. Most of these compounds show an excellent reducing power and free radical scavenging activity. -(SHANTHI, G.; PERUMAL*, P. T.; RAO, U.; SEHGAL, P. K.; Indian J. Chem
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