Salicassin, an unprecedented chalcone diterpene adduct and a quinone methide triterpenoid from Maytenus salicifolia.

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Autor(es): dc.creatorMagalhães, Cássia Gonçalves-
Autor(es): dc.creatorSilva, Grácia Divina de Fátima-
Autor(es): dc.creatorMoujir, Laila-
Autor(es): dc.creatorLópez, Manuel R.-
Autor(es): dc.creatorFigueiredo, Rute Cunha-
Autor(es): dc.creatorVieira Filho, Sidney Augusto-
Data de aceite: dc.date.accessioned2025-08-21T15:25:13Z-
Data de disponibilização: dc.date.available2025-08-21T15:25:13Z-
Data de envio: dc.date.issued2017-06-20-
Data de envio: dc.date.issued2017-06-20-
Data de envio: dc.date.issued2013-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/8010-
Fonte completa do material: dc.identifierhttp://onlinelibrary.wiley.com/doi/10.1002/hlca.201200316/abstract-
Fonte completa do material: dc.identifierhttps://doi.org/10.1002/hlca.201200316-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1014061-
Descrição: dc.descriptionIn continuation of our work on Maytenus salicifolia, we report herein the isolation and structuralelucidation of two new compounds, salicassin (1), a diterpene-chalcone adduct with an unprecedented C-framework, and (16b)-16-hydroxypristimerin (2), a quinone methide triterpenoid. Their structures wereelucidated on the basis of spectroscopic analysis, including 1D- and 2D-NMR techniques (COSY,ROESY, HSQC, and HMBC). In addition, 22 known compounds were isolated and characterized bycomparison of their spectra with reported data. Compound 2, structurally related to the well knowncytotoxic quinone methide triterpenoids, exhibited an antiproliferative effect on HeLa, A-549, and HL-60 human cell lines, with IC50values of 2.2, 3.2, and 2.7 mm, respectively.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsrestrito-
Título: dc.titleSalicassin, an unprecedented chalcone diterpene adduct and a quinone methide triterpenoid from Maytenus salicifolia.-
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