11-hydroxyvittatine
National Institutes of Health
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A new crinine-type alkaloid crijaponine A (1), a new galanthamine-type alkaloid crijaponine B (2), and 11 known alkaloids…
BACKGROUND
Amaryllidaceae plants are known to be a great source of alkaloids, which are considered an extensive group of…
OBJECTIVE
To study the chemical constituents of the Bulbs of Lycoris longituba.
METHODS
The chemical constituents were isolated…
A phytochemical investigation of the bulbs and flowers of Hymenocallis littoralis Salisb., cultivated in Egypt, was carried out…
The fresh bulbs of Leucojum vernum provided seven tyrosine-derived alkaloids; two of them have not been reported before and are…
Two new alkaloids, namely 8-hydroxylycorin-7-one and 2-deoxylycorine were isolated from Crinum bulbispermum along with the known…