Four New Amaryllidaceae Alkaloids from Galanthus gracilis andÅ@Galanthus plicatus Subsp. byzantinus

HETEROCYCLES
2001.0

Abstract

(+)-3-Epi-3,4-dihydro-3-hydroxygraciline (5), isolated from Galanthus gracilis of Turkish origin, is a new member of the gracilines, a recently established subgroup of the Amaryllidaceae alkaloids. G. plicatus subsp. byzantinus has furnished three new alkaloids, namely (+)-plicane (12), which is a new plicamine-type alkaloid, along with (+)-3-O-(3-hydroxybutyryl)tazettinol (13), and N-formylismine (15).

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