dos Santos, Willian Henrique [UNESP]da Silva-Filho, Luiz Carlos [UNESP]2014-05-202014-05-202012-11-01Synthesis-stuttgart. Stuttgart: Georg Thieme Verlag Kg, v. 44, n. 21, p. 3361-3365, 2012.0039-7881http://hdl.handle.net/11449/41115Substituted 4-aryl-3,4-dihydrocoumarins are synthesized from multicomponent reactions between phenols, dimethyl malonate, and aryl aldehydes catalyzed by niobium pentachloride. This new method is simple, cost-effective, and high-yielding, and can be conducted in acceptable reaction times.3361-3365engniobium pentachloridemulticomponent reactioncoumarin derivativesLewis acidphenolsArtigo10.1055/s-0032-1317340WOS:000310461400017Acesso restrito