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Wiley, Magnetic Resonance in Chemistry, 10(49), p. 668-672

DOI: 10.1002/mrc.2794

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Alkaloids from Hippeastrum morelianum Lem. (Amaryllidaceae)

This paper is available in a repository.
This paper is available in a repository.

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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.