Journal of Asian Natural Products Research p. 1151 - 1157 (2011)
Update date:2022-08-24
Topics:
Xie, Yuan-Yuan
Xu, Zhi-Lin
Wang, Hui
Kano, Yoshihiro
Yuan, Dan
A novel spinosin derivative, 6?-(4?-O-b-D-glucopyranosyl)- vanilloyl spinosin (1) was isolated from the methanol extract of Semen Ziziphi Spinosae, together with five known flavonoids, swertish (2), spinosin (3), 6?-feruloylspinosin (4), isospinosin (5) and kaempferol 3-O-a-L-rhamnopyranosyl-(1 → 2)-O-[O-a-L-rhamnopyranosyl-(1 → 6)]-b-D-glucopyranoside (6), and two alkanoids, zizyphusine (7) and 6-(2′,3′-dihydroxyl-4′-hydroxymethyl-tetrahydro-furan- 1′-yl)-cyclopentene[c]pyrrole-1,3-diol (8). The structure of compound 1 was elucidated by spectroscopic methods including UV, IR, ESI-TOF-MS, 1D, and 2D NMR techniques.
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