Novel Macrolactams from a Deep-Sea-Derived Streptomyces Species.

Novel Macrolactams from a Deep-Sea-Derived Streptomyces Species.
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来自深海来源的链霉菌种的新型大内酰胺。

DOI:
10.3390/md19010013
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发表时间:
2020-12-29
期刊:
影响因子:
5.4
通讯作者:
Zhu W
Zhu W
中科院分区:
医学2区
文献类型:
--
作者:
Wang P;Wang D;Zhang R;Wang Y;Kong F;Fu P;Zhu W

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从深海底泥来源的链霉菌发酵液中分离得到4个多烯大内酰胺类化合物,包括已报道的Niizalactam C(4)和3个新的链内酰胺A-C(1-3),分别含有26元单环、[4,6,20]-稠合三环和11,23-氧桥联[14,16]-双环骨架。OUCMDZ-3159。通过光谱分析、X-射线衍射分析和化学方法确定了它们的结构。化合物1在光和热条件下发生的一系列化学反应证实了化合物2和4的非生物形成。化合物1和3对白念珠菌ATCC 10231具有选择性抗真菌活性。
Four polyene macrolactams including the previously reported niizalactam C (4), and three new ones, streptolactams A–C (1–3) with a 26-membered monocyclic, [4,6,20]-fused tricyclic and 11,23-oxygen bridged [14,16]-bicyclic skeletons, respectively, were isolated from the fermentation broth of the deep-sea sediment-derived Streptomyces sp. OUCMDZ-3159. Their structures were determined based on spectroscopic analysis, X-ray diffraction analysis, and chemical methods. The abiotic formation of compounds 2 and 4 from compound 1 were confirmed by a series of chemical reactions under heat and light conditions. Compounds 1 and 3 showed a selective antifungal activity against Candida albicans ATCC 10231.
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期刊: ORGANIC LETTERS
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