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http://hdl.handle.net/10553/50561
| Title: | Chemical constituents of Tolpis species | Authors: | Triana, Jorge López, Mariana Pérez, Francisco Javier Platas, Javier González Estévez, Francisco León, Juan Francisco Hernández, Juan Carlos Brouard, Ignacio Bermejo, Jaime |
Keywords: | Triterpenes Asteraceae Vulgaris Roots |
Issue Date: | 2009 | Publisher: | 0367-326X | Project: | Nuevos Compuestos Antileucémicos Desarrollo de Nuevos, Mas Seguros y Mas Efectivos Compuestos Antileucemicos |
Journal: | Fitoterapia | Abstract: | Phytochemical research of two Tolpis species, T. webbii and T. sp., led to the isolation of three new compounds: 2,4'-dihydroxy-4-methoxybenzophenone (1) and the triterpenes 21 alpha, 22 alpha-epoxy-20 alpha-hydroxy-20(30)-dihydrotaraxasterol (2) and 3 beta-hydroxytaraxaster-20-en-30-oic acid (3) together with 16 known compounds. The structures of the new compounds were elucidated by means of extensive IR, NMR, MS and X-ray analysis and by comparison of data reported in the literature. (c) 2009 Elsevier B.V. All rights reserved. | URI: | http://hdl.handle.net/10553/50561 | ISSN: | 0367-326X | DOI: | 10.1016/j.fitote.2009.06.001 | Source: | Fitoterapia[ISSN 0367-326X],v. 80, p. 437-441 |
| Appears in Collections: | Artículos |
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