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Magn Reson Chem ; 49(10): 668-72, 2011 Oct.
Article in English | MEDLINE | ID: mdl-21898585

ABSTRACT

The Amaryllidaceae family has proven to be a rich source of active molecules. As part of an ongoing project, we report a phytochemical study of Hippeastrum morelianum (Amaryllidaceae), from which we have isolated two homolycorine-type alkaloids, the new 2α,7-dimethoxyhomolycorine (1) and the poorly described candimine (2), as well as six known alkaloids: tazettine, pretazettine, 3-epimacronine, haemanthamine, hamayne and trisphaeridine. For reference purposes, the NMR of the isolated compounds was unequivocally described, based on 2D NMR measurements including (1)H-(1)H COSY, (1)H-(1)H NOESY, HSQC and HMBC.


Subject(s)
Alkaloids/chemistry , Liliaceae/chemistry , Plant Extracts/chemistry , Alkaloids/isolation & purification , Computer Simulation , Crystallography, X-Ray , Magnetic Resonance Spectroscopy/standards , Models, Molecular , Molecular Structure , Plant Extracts/isolation & purification , Reference Standards , Stereoisomerism
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