Spicachlorantins G—J, New Lindenane Sesquiterpenoid Dimers from the Roots of Chloranthus spicatus

Sang-Yong Kim; Yoshiki Kashiwada; Kazuyoshi Kawazoe; Kotaro Murakami; Han-Dong Sun; Shun-Lin Li; Yoshihisa Takaishi

doi:10.1248/cpb.59.1281

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Spicachlorantins G—J, New Lindenane Sesquiterpenoid Dimers from the Roots of Chloranthus spicatus

Sang-Yong Kim, Yoshiki Kashiwada, Kazuyoshi Kawazoe, Kotaro Murakami, Han-Dong Sun, Shun-Lin Li, Yoshihisa Takaishi

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Keywords: Chloranthus spicatus, Chloranthaceae, lindenane, Yunnan

JOURNAL FREE ACCESS

2011 Volume 59 Issue 10 Pages 1281-1284

DOI https://doi.org/10.1248/cpb.59.1281

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Abstract

Four new lindenane sesquiterpenoid dimers, spicachlorantins G—J (1—4), were isolated from the roots of Chloranthus spicatus together with seven known compounds, including chloramultilide A, shizukaol B, shizukaol D, shizukaol F, shizukaol P, chlorahololide D, and cycloshizukaol A. The planar structures of the new compounds were established by 1D-, 2D-NMR, and MS analyses. The absolute configurations of these compounds were determined by analyzing rotating Overhauser enhancement and exchange spectroscopy (ROESY) and circular dichroism (CD) spectra.

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