Phytochemistry p. 1058 - 1060 (1992)
Update date:2022-08-05
Topics:
Yuan, Jin-Lan
Lu, Zhi-Zhen
Chen, Gui-Xian
Ding, Wei-Pei
Zhou, Bing-Nan
et al.
A new pregnane glycoside, mardekoiside A was isolated from the stems of Marsdenia koi (Asclepiadaceae) and its structure was elucidated from chemical and spectral data as 12-cinnamoyl-dihydrosarcostin-3-O-methyl-6-deoxy-β-D-allopyranosyl-(1->4)-O-β-D-oleandropyranosyl-(1->4)-O-β-D-cymaropyranoside. Key words: Marsdenia koi; Asclepiadaceae; preganane glycoside; marsdekoiside A; structure elucidation.
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