| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 2539504 | Fitoterapia | 2009 | 5 Pages |
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 21α, 22α-epoxy-20α-hydroxy-20(30)-dihydrotaraxasterol (2) and 3β-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.
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Authors
Jorge Triana, Mariana López, Francisco Javier Pérez, Javier González Platas, Francisco Estévez, Juan Francisco León, Juan Carlos Hernández, Ignacio Brouard, Jaime Bermejo,