• Medientyp: E-Artikel
  • Titel: Constituents of Cupuliferae, XVII: Triterpene Saponins and Falvonoids from Quercus laurifolia Michx
  • Beteiligte: Romussi, Giovanni; Caviglioli, Gabriele; Pizza, Cosimo; de Tommasi, Nunziatina
  • Erschienen: Wiley, 1993
  • Erschienen in: Archiv der Pharmazie
  • Sprache: Englisch
  • DOI: 10.1002/ardp.19933260906
  • ISSN: 0365-6233; 1521-4184
  • Schlagwörter: Drug Discovery ; Pharmaceutical Science
  • Entstehung:
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  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>In addition to fourteen known glycosides from leaves of <jats:italic>Quercus laurifolia</jats:italic> Michx., a new acylated triterpene soponin has been isolated and identified as 3‐<jats:italic>O</jats:italic>‐galloyl‐28‐β‐<jats:sc>D</jats:sc>‐glucopyranosyl diester of the 2α,3β,19α,23‐tetrahydroxyurs‐12‐ene‐28‐oic acid (<jats:bold>1</jats:bold>). The structure of the previously described α‐<jats:sc>D</jats:sc>‐glucopyranosyl ester of the 2α,3β,19α,23‐tetrahydroxyurs‐12‐ene‐28‐oic acid was revised to β‐<jats:sc>D</jats:sc>‐glucopyranosyl ester of the 2α,3β,19α,23‐tetrahydroxyurs‐12‐ene‐28‐oic acid (<jats:bold>2</jats:bold>).</jats:p>