Novel saponins hainaneosides A and B isolated from Marsdenia hainanensis

J Nat Prod. 1997 Feb;60(2):134-8. doi: 10.1021/np960505w.

Abstract

Novel saponins possessing fertility-regulating activity, hainaneosides A (1) and B (2), have been isolated from the twigs and stems of Marsdenia hainanensis, and their structures have been elucidated unambiguously as 12-nicotinoyl sarcostin-3-O-beta-D-glucopyranosyl-(1-->4)-3-O-methyl-6-deoxy-bet a-D- allopyranosyl-(1-->4)-beta-D-oleandropyranosyl-(1-->4)-beta-D- cymaropyranosyl-(1-->4)-beta-D-cymaropyranoside and 12-nicotinoyl-20-cinnamoyl sarcostin-3-O-beta-D-glucopyranosyl-(1-->4)-3-O-methyl-6-deoxy-bet a-D- allopyranosyl-(1-->4)-beta-D-oleandropyranosyl-(1-->4)-beta-D-c ymaropyranoside using NMR spectroscopic techniques and chemical transformations.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Abortifacient Agents, Nonsteroidal / chemistry
  • Abortifacient Agents, Nonsteroidal / isolation & purification*
  • Animals
  • Magnetic Resonance Spectroscopy
  • Oleanolic Acid* / analogs & derivatives*
  • Plants / chemistry*
  • Rats
  • Saponins / chemistry
  • Saponins / isolation & purification*
  • Spectrometry, Mass, Fast Atom Bombardment

Substances

  • Abortifacient Agents, Nonsteroidal
  • Saponins
  • hainaneoside B
  • hainaneoside A
  • Oleanolic Acid