Triterpene saponins from Tetrapanax papyriferum K. Koch

Chem Pharm Bull (Tokyo). 1996 Nov;44(11):2107-10. doi: 10.1248/cpb.44.2107.

Abstract

Four new oleanane-type saponins, papyrioside LA--LD, were isolated from the leaves of Tetrapanax papyriferum. The structures of these new compounds were elucidated as 11 alpha-hydroxy-3,21-dioxo-olean-12-en-28-oyl-alpha-L-rhamnopyranosy l- (1-->4)-(6-O-acetyl-beta-D-glucopyranosyl)-(1-->6)- beta-D-glucopyranoside, 11 alpha-methoxy-3,21-dioxo-olean-12-en-28-oyl-alpha-L-rhamnopyranosy l- (1-->4)-(6-O-acetyl-beta-D-glucopyranosyl)-(1-->6)- beta-D-glucopyranoside, 3 alpha-hydroxy-11 alpha-methoxy-21-oxo-olean-12-en-28-oyl-alpha-L-rhamnopyranosyl-(1 -->4)- (6-O-acetyl-beta-D-glucopyranosyl)-(1-->6)-beta-D-glucopyranoside and 21 alpha-hydroxy-11 alpha-methoxy-3-oxo-olean-12-en-28-oyl-alpha-L- rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->6)- beta-D-glucopyranoside, respectively, on the basis of spectroscopic and chemical evidence.

MeSH terms

  • Carbohydrate Sequence
  • Magnetic Resonance Spectroscopy
  • Plant Leaves / chemistry*
  • Saponins / chemistry
  • Saponins / isolation & purification*
  • Spectrometry, Mass, Fast Atom Bombardment
  • Terpenes / chemistry
  • Terpenes / isolation & purification*

Substances

  • Saponins
  • Terpenes