Four geranyl-bearing polyisoprenylated benzoylphloroglucinol derivatives from Hypericum sampsonii

Zeng, Y-H., Osman, K., Xiao, Z-Y., Gibbons, S. and Mu, Q. (2012) Four geranyl-bearing polyisoprenylated benzoylphloroglucinol derivatives from Hypericum sampsonii. Phytochemistry Letters, 5 (1). pp. 200-205. 10.1016/j.phytol.2011.09.009.

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DOI: 10.1016/j.phytol.2011.09.009

Abstract

Four new geranyl-bearing polyisoprenylated benzoylphloroglucinol derivatives, hypersampsone I (1), hypersampsone J (2), and hypersampsone K (3), together with hypersampsone L (4) which possessed a novel skeleton, were isolated from the fruit of Hypericum sampsonii. Their structures were determined on the basis of spectroscopic data, mainly 1D- and 2D-NMR spectroscopy and mass spectrometry. The structures of 1 and 2 were confirmed by X-ray crystallographic analysis.

Item Type:Article
Uncontrolled Keywords:Hypericum; Hypericum sampsonii; Hypersampsone H; Hypersampsone I-L; Polyisoprenylated benzoylphloroglucinol derivatives; X-ray crystallography
Departments, units and centres:Department of Pharmaceutical and Biological Chemistry > Department of Pharmaceutical and Biological Chemistry
ID Code:3057
Journal or Publication Title:Phytochemistry Letters
Deposited By:Library Staff
Deposited On:23 Mar 2012 11:25
Last Modified:23 Mar 2012 11:25

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