Please use this identifier to cite or link to this item: 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
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