Pentacyclic triterpenes from Chuquiraga ulicina

Flagg M.L.; Valcic S.; Timmermann B.N.; Montenegro,G.; Gómez, M.

Keywords: chemistry, acetate, isolation, chile, purification, asteraceae, climate, ion, extract, plant, structure, desert, conformation, mass, extracts, antimicrobial, triterpene, drug, molecular, article, secondary, spectrometry, triterpenes, analysis, activity, mutisieae, derivative, chemical, nonhuman, and, Models,, Spectrometry,, Plants,, Medicinal, Mass,, lupeol, friedelin, Chuquiraga, ulicina

Abstract

Four taraxastane triterpenes, 3?-acetoxy-6?-hydroxytaraxasta-20-ene, 6?-hydroxytaraxasta-20-en-3-one, 6?-hydroxytaraxasta-20-ene 3?-palmitate and 3?,6?-dihydroxytaraxasta-20-ene were isolated from the dichloromethane- methanol extract of Chuquiraga ulicina ssp. ulicina together with the known triterpenes lupeol, lupenyl acetate, lupenone, friedelinol, 3?-acetoxy- 30nor-lupan-20-one, and 30-nor-lupan-3?-ol-20-one.

Más información

Título de la Revista: PHYTOCHEMISTRY
Volumen: 52
Número: 7
Editorial: Elsevier BV
Fecha de publicación: 1999
Página de inicio: 1345
Página final: 1350
URL: http://www.scopus.com/inward/record.url?eid=2-s2.0-0033398054&partnerID=q2rCbXpz