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Three new triterpenoid saponins from the rhizomes of Impatiens pritzellii var. hupehensis

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Three new triterpenoid saponins, impatiprins A-C (1-3), together with a known triterpenoid (4) and two known triterpenoid saponins (5, 6), were isolated from the rhizomes of Impatiens pritzellii Hook. f. var. hupehensis Hook. f. The structures of 1-3 were determined by 1D and 2D NMR, FAB-MS techniques and chemical methods. Compounds 1 and 2 showed weak cytotoxicities against S-180, HeLa and HepG2 cell lines.
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Keywords: Cytotoxicity; Impatiens pritzellii; Impatiprins A-C; Triterpenoid saponins

Document Type: Research Article

Affiliations: 1: Faculty of Pharmaceutical Sciences, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China 2: State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China

Publication date: January 1, 2007

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