Cytotoxic Oleanane-type Triterpenen Saponins with N-acetyl Sugar from Albizia inundata [abstract]

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Cytotoxic Oleanane-type Triterpenen Saponins with N-acetyl Sugar from Albizia inundata [abstract]

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Title: Cytotoxic Oleanane-type Triterpenen Saponins with N-acetyl Sugar from Albizia inundata [abstract]
Author: Zhang, Huaping; Rao, Karumanchi V.; Samadi, Abbas; Tong, Xiaoqin; Araya Barrantes, Juan Jose; Timmermann, Barbara N.; Cohen, Mark S.
Contributor: University of Missouri (System)
Keywords: bioassay
saponins
Date: 2010-03-02
Abstract: Bioassay-guided fractionation of a CH2Cl2-MeOH extract of the aerial part of Albizia inundata , collected in Argentina, resulted in the isolation of two new oleanane-type triterpene saponins with N-acetyl sugar (1, 2) and seven known saponins (3-9). Their structures were established on the basis of extensive 2D NMR (HSQC, COSY or DQF-COSY, TOCSY, HMBC), ESIMS and chemical methods. Saponins 1-4 showed cytotoxicity against the in JMAR, MDA 1986, UM-SCC-2 and JHU011 human head and neck squamous cells using the MTS assay.
URI: http://hdl.handle.net/10355/6248

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