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■ Five New Compounds from Arenga pinnata (Wurmb.) Merr. Fruits

Ji-Fei Liu, Xin Cai, Feng-Jin Li, Chang Wang, Jin-Hai Huo,* and Wei-Ming Wang*

*Institute of Chinese Materia Medica, HeilongJiang Academy of Chinese Medicine Sciences, Harbin 150036, China

Abstract

Phytochemical investigation of Arenga pinnata (Wurmb.) Merr. fruits led to the isolation of 5 new compounds, designated A. pinnata A-E (1–5), and 13 known compounds (6–18). All compounds were isolated from A. pinnata for the first time. Their chemical structures were identified based on extensive spectroscopic methods, including HR-ESI-MS, 1D and 2D-NMR. To the best of our knowledge, this is the first systematic scientific study on the chemical composition of the Arenga genus.