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Phenolic derivatives from Aster indicus
Authors:Lin Chwan-Fwu  Shen Chien-Chang  Chen Chien-Chih  Sheu Shuenn-Jyi  Huang Yu-Ling
Institution:Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan, ROC.
Abstract:Investigation of the constituents of whole herbs of Aster indicus L. led to isolation of 4-hydroxy-3-1-(methoxycarbonyl)vinyloxy]benzoic acid (1), 5-(1-carboxylvinyloxy)-2-hydroxybenzoic acid (2), 4-allyl-2,6-dimethoxyphenyl 3-methylbutanoate (3), and 4-allyl-2-methoxyphenyl 2-methylbutanoate (4), together with 27 previously known compounds. The structures of compounds 1-4 were established by application of spectroscopic (NMR and MS) analyses.
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