Immunosuppressive diterpenes from Veronicastrum sibiricum

Chem Pharm Bull (Tokyo). 2004 Jan;52(1):136-7. doi: 10.1248/cpb.52.136.

Abstract

Two new diterpenes, named sibiriquinone A (1) and B (2), along with four known diterpenes have been isolated from the aerial part of Veronicastrum sibiricum. Their structures were elucidated by spectroscopy. The isolated compounds showed significant immunosuppressive activities.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Dexamethasone / pharmacology
  • Diterpenes / chemistry*
  • Diterpenes / isolation & purification
  • Diterpenes / pharmacology*
  • Immunosuppressive Agents / chemistry*
  • Immunosuppressive Agents / isolation & purification
  • Immunosuppressive Agents / pharmacology*
  • In Vitro Techniques
  • Lymphocytes / drug effects
  • Lymphocytes / immunology
  • Molecular Conformation
  • Rats
  • Scrophulariaceae / chemistry*
  • Spectrometry, Mass, Electrospray Ionization
  • Spectrophotometry, Ultraviolet

Substances

  • Diterpenes
  • Immunosuppressive Agents
  • Dexamethasone