Abstract
Five compounds, terephthalic acid mono-[2-(4-carboxy-phenoxycarbonyl)-vinyl] ester (1), (E)-3-(5′-hydroperoxy-2,2′-dihydroxy[1,1′-biphenyl]-4-yl)-2-propenoic acid (2), 3,4,5-trihydroxybenzoic acid (3), succinic acid (or butanedioic acid) (4), and 2,3,4,5,6-pentahydroxybenzoic acid (5), were isolated from Phyllanthus urinaria. The structures of these compounds were elucidated by means of spectral techniques including IR, MS, and 1D/2D NMR. 1 and 2 are new compounds.
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Published in Khimiya Prirodnykh Soedinenii, No. 1, pp. 14–17, January–February, 2005.
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Wei, W., Pan, Y., Chen, Y. et al. Carboxylic Acids from Phyllanthus urinaria . Chem Nat Compd 41, 17–21 (2005). https://doi.org/10.1007/s10600-005-0064-4
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DOI: https://doi.org/10.1007/s10600-005-0064-4