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Microwave assisted synthesis of 1-(6,8-dimethyl coumarin-4-yl)-2-(chroman-3-yl) ethenes under solvent free condition

M.T.Bachute, C.H.Gill, B.K.Karale, R.T.Bachute

1-(6, 8-dimethylcoumarin-4-yl)-2-(chroman-3-yl)ethenes (3)were prepared by MW assisted Knoevanagel condensation of 3-formyl chromones (1) with 1-(6,8-dimethylcoumarin-3-yl)-4-acetic acid (2) under solvent free conditions. New compounds were scanned for antimicrobial activities.