A new ellagic acid derivative from the fruits of Eucalyptus globulus Labill.
Abstract:Four ellagic acid derivatives have been isolated from the fruits of Eucalyptus globulus Labill., one of which is new compound, identified as 3-O-methylellagic acid 4′-O-α-L-2′′-O-acetyl-rhamnopyranoside (1), the known compounds were identified as 3-O-methylellagic acid 4′-O-α-L-rhamnopyranoside (2), ellagic acid (3) and 3-O-methylellagic acid (4), on the basis of the analysis of 1H NMR, 13C NMR, HSQC, HMBC, IR and MS spectral data. It is also assignment the 13C NMR signals of 3-O-methylellagic acid 4′-O-α-L-rhamnopyranoside for the first.
Document Type: Research Article
Affiliations: 1: State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, and Medical and Healthy Analysis Center, Peking University, Beijing, China 2: Xueyuan Road 38, Haidian District, Beijing, 100083, China, Email: email@example.com
Publication date: 2005-09-01
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