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[A new furan-3-ylmethyl ester from Pseudostellariae Radix]
Jian-Cheng Ni1, Guo-Hong Lin1, Yu-Yang Cai1
1the Engineering Technology Research Center of Characteristic Medicinal Plants of Fujian,College of Biological Science and Engineering,Ningde Normal University Ningde 352100,China.
Abstract:
Fifteen compounds(1-15) were isolated from the 70% ethanol extract of Pseudostellariae Radix through silica gel, Toyopearl HW-40F gel, 5010-Diol, and reversed-phase C_(18) column chromatography. Their structures were identified as furan-3-ylmethyl dihydroferulate(1), furan-3-ylmethyl 2-hydroxypropionate(2), furan-3-ylmethyl pyrrole-2-carboxylate(3), dihydroferulic acid(4), pyrrole-2-carboxylic acid(5), 22,23-dihydrospinasterone(6), 22,23-dihydrospinasterol(7), 22,23-dihydrospinasterol-3-O-β-D-glucopyranoside(8), pseudostellarin A(9), pseudostellarin B(10), pseudostellarin C(11), pseudostellarin D(12), pseudostellarin F(13), pseudostellarin H(14), and heterophyllin B(15) based on the HR-ESI-MS, IR, UV, NMR data, as well as their physicochemical properties. Among them, compound 1 was a new furan derivative, and compound 2 was a new natural product. Compounds 6 and 7 were isolated from genus Pseudostellaria for the first time.