Abstract
Seven new norditerpenoid alkaloids named 1-O-demethyltricornine (1), 14-O-benzoyltakaosamine (2), 1-O,19-didehydrotakaosamine (3), 14-O-demethyldelboxine (4), all belonging to the lycoctonine-type alkaloids, and 8-O-methylconsolarine (5), 14-O-deacetylpubescenine (6), and 18-O-benzoyl-14-O-deacetyl-18-O-demethylpubescenine (7), these belonging to the rare group of the 6-epilycoctonine-type alkaloids, were isolated from the aerial parts of Consolida orientalis (Gay) Schrod. The structures of the new compounds were elucidated by 1D- and 2D-NMR and HR-EI-MS. Moreover, 37 known norditerpenoid alkaloids (lycoctonine-type) were isolated and identified by comparing their spectral data with those reported in the literature.
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