Two new triterpenoid saponins from Pulsatilla cernua (Thunb.) Bercht. et Opiz

J Asian Nat Prod Res. 2007 Sep-Dec;9(6-8):705-11. doi: 10.1080/10286020600882635.

Abstract

Two new triterpenoid saponins, named cernuaside C and D, have been isolated from Pulsatilla cernua (Thunb.) Bercht. et Opiz. The structures of the two new triterpenoid saponins were elucidated as 3-O-beta-D-xylopyranosyl(1 --> 2)-[alpha-L-rhamnopyranosyl(1 --> 3)]-alpha-L-arabinopyranosyl oleanolic acid 28-alpha-L-rhamnopyranosyl(1 --> 4)-beta-D-glucopyranosyl(1 --> 6)-beta-D-glucopyranoside. (1) and 3-O-alpha-L-arabinopyranosyl (1 --> 3)-alpha-L-rhamnopyranosyl(1 --> 2)-alpha-L-arabinopyranosyl oleanolic acid 28-O-beta-D-glucopyranoside (2) by 1D, 2D-NMR techniques, ESI-MS analysis as well as chemical methods.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Carbohydrate Conformation
  • Carbohydrate Sequence
  • Magnetic Resonance Spectroscopy
  • Molecular Sequence Data
  • Pulsatilla / chemistry*
  • Saponins / chemistry
  • Saponins / isolation & purification*
  • Spectrometry, Mass, Electrospray Ionization
  • Triterpenes / chemistry
  • Triterpenes / isolation & purification*

Substances

  • Saponins
  • Triterpenes