Antibacterial neurymenolides from the Fijian red alga Neurymenia fraxinifolia.

Antibacterial neurymenolides from the Fijian red alga Neurymenia fraxinifolia.
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DOI:
10.1021/ol8024814
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发表时间:
2009-01-01
期刊:
影响因子:
5.2
通讯作者:
Kubanek, Julia
Kubanek, Julia
中科院分区:
化学1区
文献类型:
--
作者:
Stout, E. Paige;Hasemeyer, Adam P.;Lane, Amy L.;Davenport, Theresa M.;Engel, Sebastian;Hay, Mark E.;Fairchild, Craig R.;Prudhomme, Jacques;Le Roch, Karine;Aalbersberg, William;Kubanek, Julia

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从斐济红麻Neurymenia fraxinifolia中分离得到两个新的α-吡喃酮大环内酯类化合物neurymenolides A(1)和B(2),并通过NMR和质谱分析进行了表征。这些分子仅代表α-吡喃酮大环内酯的第二个例子,其中1由于围绕α-吡喃酮环系统的受限旋转而作为可互换的阻转异构体存在。Neurymenoprotein A(1)对耐甲氧西林金黄色葡萄球菌(MRSA)和耐万古霉素屎肠球菌(VREF)表现出中等有效的活性。
Two novel α-pyrone macrolides, neurymenolides A (1) and B (2), were isolated from the Fijian red alga Neurymenia fraxinifolia and characterized using a combination of NMR and mass spectral analyses. These molecules represent only the second example of α-pyrone macrolides, with 1 existing as interchanging atropisomers due to restricted rotation about the α-pyrone ring system. Neurymenolide A (1) displayed moderately potent activities against methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus faecium (VREF).
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发表时间: 1999-09-15
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