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New method for the synthesis of chromeno[4,3-b]chromene derivatives via multicomponent reaction promoted by niobium pentachloride

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dc.contributor.authordos Santos, Willian Henrique [UNESP]
dc.contributor.authorda Silva-Filho, Luiz Carlos [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:09:33Z
dc.date.available2018-12-11T17:09:33Z
dc.date.issued2017-01-01
dc.description.abstractChromeno[4,3-b]chromene derivatives were synthesized from multicomponent reaction between 4-hydroxycoumarin, aryl aldehyde derivatives and 1,3-cyclohexanedione promoted by niobium pentachloride. This new method is simple, cost-effective, provides good yields with good substrate generality and can be conducted in short reaction times.en
dc.description.affiliationS�o Paulo State University (UNESP) School of Sciences Department of Chemistry, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Bairro: Vargem Limpa, Zip Code 17033-360
dc.description.affiliationUnespS�o Paulo State University (UNESP) School of Sciences Department of Chemistry, Av. Eng. Luiz Edmundo Carrijo Coube, 14-01, Bairro: Vargem Limpa, Zip Code 17033-360
dc.format.extent894-897
dc.identifierhttp://dx.doi.org/10.1016/j.tetlet.2017.01.062
dc.identifier.citationTetrahedron Letters, v. 58, n. 9, p. 894-897, 2017.
dc.identifier.doi10.1016/j.tetlet.2017.01.062
dc.identifier.issn1873-3581
dc.identifier.issn0040-4039
dc.identifier.scopus2-s2.0-85010955739
dc.identifier.urihttp://hdl.handle.net/11449/174148
dc.language.isoeng
dc.relation.ispartofTetrahedron Letters
dc.relation.ispartofsjr0,683
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectChromene
dc.subjectCoumarin
dc.subjectLewis acid
dc.subjectMulticomponent reactions
dc.subjectNiobium pentachloride
dc.titleNew method for the synthesis of chromeno[4,3-b]chromene derivatives via multicomponent reaction promoted by niobium pentachlorideen
dc.typeArtigo
dspace.entity.typePublication
unesp.departmentQuímica - FCpt

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