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Scientific article
English

5′,6′-Dehydroguiachrysine and 5′,6′-dehydroguiaflavine, two curarizing quaternary indole alkaloids from the stem bark of Strychnos guianensis

Published inPhytochemistry, vol. 58, no. 4, p. 619-626
Publication date2001
Abstract

Two new quaternary indole alkaloids 5′,6′-dehydroguiachrysine and 5′,6′-dehydroguiaflavine were isolated from Strychnos guianensis stem bark. Their structures were determined by analysis of spectral data. Their inhibitory effects on neuromuscular transmission are also reported and compared to that of other quaternary alkaloids.

Keywords
  • Strychnos guianensis (Aubl.) Mart.
  • Loganiaceae
  • Quaternary indole alkaloids
  • Loganiaceae
  • 5′,6′-Dehydroguiachrysine
  • 5′,6′-Dehydroguiaflavine
  • 2D NMR
  • Curare
Citation (ISO format)
PENELLE, Jacques et al. 5′,6′-Dehydroguiachrysine and 5′,6′-dehydroguiaflavine, two curarizing quaternary indole alkaloids from the stem bark of Strychnos guianensis. In: Phytochemistry, 2001, vol. 58, n° 4, p. 619–626. doi: 10.1016/S0031-9422(01)00255-2
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ISSN of the journal0031-9422
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