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Solanerioside A, an unusual 14,15-dinor-cyclophytane glucoside from the leaves of Solanum erianthum

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posted on 2016-11-04, 07:09 authored by Shi-yi Peng, Hang Li, De-po Yang, Bai Bai, Long-ping Zhu, Qin Liu, Juan Shen, Zhi-min Zhao

Solanerioside A (1), the first example of a diterpenoid glucoside featuring a 14,15-dinor-cyclophytane scaffold, together with three known terpene glucosides (24) were isolated from the methanol extract of the leaves of Solanum erianthum (Solanaceae). The structure of 1 was mainly characterised on the basis of extensive spectroscopic analyses, especially from the 2D NMR spectra. In addition, the spectroscopic data of (6E, 10E)-5,12-dihydroxy-β-nerolidol 5-O-β-D-glucopyranoside (3) were reported for the first time. However, these compounds did not display obvious inhibition of LPS-induced NO release in RAW264.7 cells and anti-tumour activity against A549, HepG2, Hela and MCF-7 cells in vitro.

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