Triterpenoid saponins from leaves of Hedera pastuchowii

Chem Pharm Bull (Tokyo). 2004 Dec;52(12):1411-5. doi: 10.1248/cpb.52.1411.

Abstract

Five new triterpenoid saponins, pastuchoside A (1), B (3), C (5), D (7) and E (9), were isolated from the leaves of Hedera pastuchowii. They have oleanolic acid or hederagenin as aglycone. The structures were established by NMR spectroscopy including gs (gradient selected)-COSY, gs-HSQC, gs-HSQC-TOCSY and gs-HMBC experiments, and mass spectrometry (ESI-HR-MS). Heptaoside saponins, compounds 1 and 3, are described for the first time in the genus Hedera.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Hedera / chemistry*
  • Hydrolysis
  • Magnetic Resonance Spectroscopy
  • Models, Molecular
  • Plant Leaves / chemistry
  • Saponins / chemistry*
  • Spectrometry, Mass, Electrospray Ionization
  • Triterpenes / chemistry*

Substances

  • Saponins
  • Triterpenes
  • pastuchoside A
  • pastuchoside B
  • pastuchoside C
  • pastuchoside D