Triterpenoid saponins and monoterpenoid glycosides from Incarvillea delavayi

J Asian Nat Prod Res. 2009 Sep;11(9):838-44. doi: 10.1080/10286020903156273.

Abstract

Two new triterpenoid saponins, incarvillosides A (1) and B (2), and two new monoterpenoid glycosides, incarvillosides C (3) and D (4), were isolated from the high-polarity fraction of the whole plant of Incarvillea delavayi. By means of spectroscopic data and chemical degradation, the structures were established as (3beta,21beta)-3,19,21,23-tetrahydroxyurs-12-en-28-oic acid 28-O-beta-d-glucopyranoside (1), (2beta,3beta,19alpha)-2,3,19,23-tetrahydroxyolean-12-en-28-oic acid 28-O-beta-d-glucopyranoside (2), (2S,6R)-2,6-dimethyl-1,8-octanediol 1-O-beta-d-glucopyranoside (3), and (2S,6R)-2,6-dimethyl-1,8-octanediol 8-O-beta-d-glucopyranoside (4).

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bignoniaceae / chemistry*
  • Drugs, Chinese Herbal / chemistry
  • Drugs, Chinese Herbal / isolation & purification*
  • Glycosides / chemistry
  • Glycosides / isolation & purification*
  • Molecular Structure
  • Monoterpenes / chemistry
  • Monoterpenes / isolation & purification*
  • Nuclear Magnetic Resonance, Biomolecular
  • Saponins / chemistry
  • Saponins / isolation & purification*
  • Stereoisomerism
  • Triterpenes / chemistry
  • Triterpenes / isolation & purification*

Substances

  • Drugs, Chinese Herbal
  • Glycosides
  • Monoterpenes
  • Saponins
  • Triterpenes
  • incarvilloside A
  • incarvilloside B
  • incarvilloside C
  • incarvilloside D