科研之友
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摘要
Phytochemical investigation of the stem bark of Acanthopanax brachypus afforded a new labdane-type diterpene glycoside, 3 alpha-trans-sinapoyloxy-jhanol 18-O-beta-D-glucopyranoside (1), together with four known compounds, including one diterpene acid, acanthoic acid (2), one coumarin, isofraxidin (3), one phenolic glycoside, sasanquin (4), as well as one chalcone glycoside, okanin 4-methyl ether-3'-O-beta-D-glucopyranoside (5). All of the structures were characterized by means of spectroscopic methods, including (1)H, (13)C, 2D-NMR and HR-MS, as well as chemical methods and comparison with the literature data.
