alexa Antimicrobial triterpenoids from Vladimiria muliensis.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular and Genetic Medicine

Author(s): Chen JJ, Fei DQ, Chen SG, Gao K

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Abstract A new triterpenoid with a rearranged ursane skeleton, 3beta-acetoxyl-11alpha-methoxybauer-8-en-7alpha-ol ( 1), two new ursane triterpenoids, 1alpha,5alpha-dioxy-11alpha-hydroxyurs-12-en-3-one ( 2) and urs-3beta,13alpha,18beta-triol ( 3), together with three known ursane triterpenoids ( 4- 6) were isolated from the rhizome of Vladimiria muliensis. Their structures were elucidated on the basis of spectroscopic methods (IR, EIMS, HRESIMS, 1D and 2D NMR, and X-ray crystallography diffraction). Compounds 2 and 4 exhibited modest antimicrobial activity against Escherichia coli, Candida albicans, Pseudomonas aeruginosa, Enterococcus faecalis, Bacillus cereus, and Staphylococcus aureus. This article was published in J Nat Prod and referenced in Journal of Molecular and Genetic Medicine

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