Bioactive aporphine alkaloids from the stems of Dasymaschalon rostratum.

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ID: 4708
2019
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Abstract
Three undescribed aporphine alkaloids dasymaroine A (1), 3-methoxyoxoputerine N-oxide (2), and dasymaroine B (3), along with nine known analogues (4-12) were isolated from the stems of Dasymaschalon rostratum Merr. The structures were elucidated using spectroscopic methods and by comparison with published NMR spectroscopic data. Compound 1 is a rarely reported nitro aporphine alkaloid and its absolute configuration was defined based on negative specific rotation and single-crystal X-ray diffraction. Compound 2 represents the first example of oxoaporphine alkaloid N-oxide. All compounds were evaluated for their activities of six pathogenic bacteria, 1 exhibited significant inhibition against Escherichia coli and Saphylococcus aureus with MIC values of 1.2 and 2.5 μM, respectively. As well as compounds 1-5, 7, 10, 12 were evaluated for their anti-HIV activities with EC ranged from 1.93 to 9.70 μM.
Reference Key
yu2019bioactivebioorganic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yu, Zhangxin;Han, Changri;Song, Xiaoping;Chen, Guangying;Chen, Jinxiong;
Journal Bioorganic chemistry
Year 2019
DOI
S0045-2068(19)30346-3
URL
Keywords Keywords not found

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