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https://repositorio.inpa.gov.br/handle/1/17185
Title: | Ergostane Steroids, Tirucallane and Apotirucallane Triterpenes from Guarea convergens |
Authors: | Hayasida, Willian Oliveira, L. M. Ferreira, Antonio Gilberto Lima, M. P. |
Issue Date: | 2017 |
metadata.dc.publisher.journal: | Chemistry of Natural Compounds |
metadata.dc.relation.ispartof: | Volume 53, Número 2, Pags. 312-317 |
Abstract: | Phytochemical investigation of the leaves of Guarea convergens T. D. Penn. led to the isolation of new apotirucallane triterpenes 24-acetoxy-25-hydroxy-3,7-dioxoapotirucalla-14-en-21,23-olide and 7α,24,25-trihydroxy-3-oxoapotirucalla-14-en-21,23-olide, steroid ergosta-5,24(24′)-diene-3β,7α,21-triol, in addition to the known ergosta-5,24(24′)-diene-3β,4β,22S-triol. The investigation from branches yielded the tirucallane triterpenes melianone and melianodiol. This is the first chemical study of this species, whose identified molecules contribute to knowledge of the biodiversity of the Amazonian forestan for chemosystematics of the Rutales order. © 2017, Springer Science+Business Media New York. |
metadata.dc.identifier.doi: | 10.1007/s10600-017-1977-4 |
Appears in Collections: | Artigos |
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