Alkaloids from Cyrtanthus elatus

The alcoholic extract of the fresh bulbs of Cyrtanthus elatus yielded zephyranthine (1) and 1,2- O-diacetylzephyranthine (2), together with three other known alkaloids. Complete assignment of 1H and 13C NMR spectra of compounds 1 and 2 was done by employment of two-dimensional NMR techniques.

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Bibliographic Details
Published in:Fitoterapia 2001-05, Vol.72 (4), p.444-448
Main Authors: Herrera, M.R, Machocho, A.K, Nair, J.J, Campbell, W.E, Brun, R, Viladomat, F, Codina, C, Bastida, J
Format: Article
Language:English
Subjects:
1,2- O-Diacetylzephyranthine
Alkaloids
Alkaloids - chemistry
Alkaloids - isolation & purification
Alkaloids - pharmacology
Animals
Biological and medical sciences
Cyrtanthus elatus
Entamoeba - drug effects
Eukaryota - drug effects
General pharmacology
Humans
Magnetic Resonance Spectroscopy
Magnoliopsida
Medical sciences
Parasitic Sensitivity Tests
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Phenanthridines
Plant Extracts - chemistry
Plant Extracts - pharmacology
Plants, Medicinal
Plasmodium falciparum - drug effects
Trypanosoma - drug effects
Zephyranthine
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Description
Summary:The alcoholic extract of the fresh bulbs of Cyrtanthus elatus yielded zephyranthine (1) and 1,2- O-diacetylzephyranthine (2), together with three other known alkaloids. Complete assignment of 1H and 13C NMR spectra of compounds 1 and 2 was done by employment of two-dimensional NMR techniques.
ISSN:0367-326X
DOI:10.1016/S0367-326X(00)00313-0