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Two New Cytotoxic Alkaloids from Mappianthus iodoidesHand.-Mazz.

✍ Scribed by Xi-Bin Xiao; Yue-Xing Lin; Geng-Bo Xu; Xu-Bo Gong; Ying Gu; Jie-Feng Tong; Jing Yang

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
174 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two new alkaloids, mappine A (1) and mapposidic acid (2), together with eleven known compounds, were isolated from the stems of Mappianthus iodoides Hand.‐Mazz. Their structures were elucidated by means of spectroscopic and mass‐spectrometric analyses, particularly 1D‐ and 2D‐NMR spectroscopy. The cytotoxic activities of the two new alkaloids were also evaluated.

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Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.
✍ Rongwei Teng; Hongyang Xie; Hai Zhou Li; Xikui Liu; Dezu Wang; Chongren Yang πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 118 KB

## Abstract From the whole plant of __Morina nepalensis__ var. __alba__ Hand.‐Mazz., two new acylated flavonoid glycosides (**1** and **2**), together with four known flavonoid glycosides (**3–6**), were isolated. Their structures were determined to be quercetin 3‐__O__‐[2″′‐__O__‐(__E__)‐caffeoyl]