Chemistry:Toxiferine

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Short description: Chemical compound
Toxiferine
Toxiferine.svg
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
Chemical and physical data
FormulaC40H46N4O2
Molar mass614.834 g·mol−1
3D model (JSmol)

Toxiferine (C-toxiferine I) is a curare toxin. It is a bisindole alkaloid derived from Strychnos toxifera and a nicotinic acetylcholine receptor antagonist. This alkaloid is the main toxic component of Calabash curare, and one of the most toxic plant alkaloids known. The lethal dose (LD50) for mice has been determined as 10 - 60 µg/kg by intravenous administration.[1] It is a muscle relaxant that causes paralysis of skeletal muscle, which takes approximately 2 hours to recovery for a moderate dose, and 8 hours of total paralysis with a 20-fold paralytic dose. The paralysis can be antagonized by neostigmine[2]

References

  1. Entry on C-Toxiferine I. at: Römpp Online. Georg Thieme Verlag, retrieved 8 June 2020.
  2. "Bisindole alkaloids". The Alkaloids: v. 1: A Review of Chemical Literature. Specialist Periodical Reports. Cambridge, Eng: Royal Society of Chemistry. 1971. p. 330. ISBN 0-85186-257-8.