Título: Synthesis of New Xanthenes Based on Lawsone and Coumarin via a Tandem Three¿Component ReactionAutor: Fernando de Carvalho da SilvaAno: 2017DOI: 10.21577/0103-5053.20170032Revista: Journal of the Brazilian Chemical SocietyISSN: 01035053Tags: 2-hydroxy-14-NaphthoquinoneCoumarinMulti-component reactionsOrganocatalysisortho -quinone methideIdioma: Português