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Two new iridoid glycosides from Odontites vulgaris
Meng-Jie Wang1, De Yang1, Sheng-Bao Diao1
1Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji 133002, China.
Abstract:
Two new iridoid glycosides, named 3'-O-benzoyl-dolichocymboside D (1) and dolichocymboside E (2), along with ten known glycosides (3-12), were isolated from the ethanol extract of the whole plants of Odontites vulgaris Moench. The structures of the isolated compounds were elucidated by 1D and 2D NMR and HR-ESI-MS spectra and by comparison with those reported in the literature. This is the first report on compounds 11 and 12 isolated from the family Scrophulariaceae, and compounds 8-10 were isolated from the genus Odontites.
