10-Hydroxydarlingine, a New Tropane Alkaloid from the Australian Proteaceous Plant Triunia erythrocarpa
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Triunia erythrocarpa was identified as containing alkaloids during chemical screening of Queensland Proteaceae using Dragendorff's reagent. A new tropane, 10-hydroxydarlingine (1), and the known tropane, darlingine (2), were isolated from the leaves of T. erythrocarpa. The absolute stereochemistry of 10-hydroxydarlingine (1) was assigned using the advanced Mosher method. T. erythrocarpa is only the seventh member of the Proteaceae to have been shown to produce alkaloids.
Journal of Natural Products
HISTORY AND ARCHAEOLOGY