A Facile Synthesis of New Coumarin-3,4-dihydropyrimidin-2(1H)-ones/thiones Dyads. -The title compounds are prepared by three-component Biginelli reaction of coumarins, aldehydes, and (thio)urea. -(BENAZZOUZ, A.; MAKHLOUFI-CHEBLI, M.; KHATIR-HAMDI, N.; BOUTEMEUR-KHEDIS, B.; SILVA*, A. M. S.; HAMDI, M.; Tetrahedron 71 (2015) 23, 3890-3894, http://dx.
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