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Pilidiostigmin, a novel bioactive dimeric acylphloroglucinol derivative isolated from Pilidiostigma glabrum
Tetrahedron Letters
  • Qingyao Shou, Southern Cross University
  • Hans Sun, Max Planck Institute for Biophysical Chemistry
  • Linda K Banbury, Southern Cross University
  • Eleanore H Lambley, Southern Cross University
  • Dane Renshaw, Southern Cross University
  • Christian Griesinger, Max Planck Institute for Biophysical Chemistry
  • Hans J Griesser, University of South Australia
  • Hans Wohlmuth, Southern Cross University
Document Type
Article
Publication Date
1-1-2013
Peer Reviewed
Peer-Reviewed
Abstract
Pilidiostigmin, a novel dimeric acylphloroglucinol derivative, was isolated from the leaves of the Australian plant species Pilidiostigma glabrum (Myrtaceae). Pilidiostigmin exists in the plant in the form of a sodium salt, which is rare in natural products. The elucidation of the structure and relative configuration was achieved by spectroscopic measurements with special emphasis on 1D and 2D NMR techniques. Pilidiostigmin was found to display biological activity; it significantly and dose-dependently inhibited the synthesis of nitric oxide in LPS-stimulated RAW 264.7 macrophages at low micromolar concentrations.
Disciplines
Citation Information

Shou, Q, Sun, H, Banbury, LK, Lambley, EH, Renshaw, DE, Griesinger, C, Griesser, HJ & Wohlmuth, H 2013, 'Pilidiostigmin, a novel bioactive dimeric acylphloroglucinol derivative isolated from Pilidiostigma glabrum', Tetrahedron Letters, vol. 54, no. 14, pp. 1853-1856.

Published version available from: http://dx.doi.org/10.1016/j.tetlet.2013.01.107