Abstract
(E)-Methyl-4-hydroxy-3,5-dimethoxycinnamate, (E)-methyl-4-hydroxy-3-methoxycinnamate, (E)-methyl-4-hydroxycinnamate, (Z)-methyl-4-hydroxycinnamate, calycanthine, ursolic acid, 2-hydroxy-3-methylanthraquinone, 4-methoxybenzoic acid, 3,4,5-trimethoxybenzoic acid, methyl 4-hydroxybenzoate and allantoin were isolated from the leaves of Palicourea coriacea (Cham.) K. Schum. The structures were deduced by spectral data analysis and comparison with literature values.
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The authors are grateful to CNPq, CAPES and FAPERJ for research fellowships and financial support. They also thank CENAUREMN for the 500 MHz NMR spectra.
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da Silva, V.C., de Carvalho, M.G. & Alves, A.N. Chemical constituents from leaves of Palicourea coriacea (Rubiaceae). J Nat Med 62, 356–357 (2008). https://doi.org/10.1007/s11418-008-0227-2
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DOI: https://doi.org/10.1007/s11418-008-0227-2