Dendrobine-type alkaloids from Dendrobium nobile

Mao-Sheng Zhang, Lang Linghu, Gang Wang, Yu-Qi He, Cheng-Xin Sun & Shi-Ji Xiao
Six dendrobine-type alkaloids were isolated from the tubes of Dendrobium nobile by silica gel, Sephadex LH-20 gel column chromatography, and preparative HPLC. Compound 1 is a new alkaloid containing a pair of amide tautomers, whereas compound 2 is a new dendrobine-type alkaloid. By using spectroscopic techniques including 1 D and 2 D NMR, the structures of compounds 1‒6 were identified as N-methoxylcarbonyldendrobine (1), dendronboic acid (2), dendrobine (3), 6-hydroxyldendrobine (4), dendrobine N-oxide (5), and denrine...
1 citation reported since publication in 2021.
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