Altenusin derivatives from mangrove endophytic fungus Alternaria sp SK6YW3L

Liu Yayue; Wu Yingnan; Zhai Rui; Liu Zhaoming; Huang Xishan; She Zhigang

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Altenusin derivatives from mangrove endophytic fungus Alternaria sp SK6YW3L

机译：来自红树林内生真菌的阿尔滕苏蛋白衍生物Sp Sk6YW3L

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Five new altenusin derivatives, compounds 1-5, along with six known analogues 6-11, were isolated from a culture of the endophytic fungus Alternaria sp. SK6YW3L, which was isolated from a fresh fruit of the mangrove plant Sonneratia caseolaris, collected from the South China Sea. Their structures were elucidated by analysis of 1D and 2D NMR and high resolution mass spectroscopic data. The absolute configurations of compounds 1-3 and 5 were assigned by quantum chemical calculations of the electronic circular dichroic (ECD) spectra. Structures of compounds 1 and 4 were further confirmed by single-crystal X-ray diffraction experiments using Cu K alpha radiation. All isolated compounds were evaluated for alpha-glucosidase inhibitory activity, and compounds 2, 3 and 9 exhibited moderate inhibitory activity. The plausible biosynthetic pathways for all the compounds were proposed.

机译：从内生真菌alertaria sp的培养物中分离出五种新的altenusin衍生物，以及六个已知的类似物6-11。 SK6YW3L从南海收集的红树林植物Sonneratia Catectis的新鲜水果中分离出来。通过分析1D和2D NMR和高分辨率质谱数据来阐明它们的结构。化合物1-3和5的绝对构型被电子圆形二色性（ECD）光谱的量子化学计算分配。通过使用CuKα辐射通过单晶X射线衍射实验进一步证实化合物1和4的结构。评价所有分离的化合物对于α-葡糖苷酶抑制活性，化合物2,3和9表现出中等抑制活性。提出了所有化合物的可粘性生物合成途径。

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来源
《RSC Advances》 |2016年第76期|共6页
作者
Liu Yayue; Wu Yingnan; Zhai Rui; Liu Zhaoming; Huang Xishan; She Zhigang;
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作者单位

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

Sun Yat Sen Univ Sch Chem &

Chem Engn Guangzhou 510275 Guangdong Peoples R China;

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正文语种 eng
中图分类化学;
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1. Altenusin derivatives from mangrove endophytic fungus Alternaria sp SK6YW3L [J] . Liu Yayue, Wu Yingnan, Zhai Rui, RSC Advances . 2016,第76期

机译：来自红树林内生真菌的阿尔滕苏蛋白衍生物Sp Sk6YW3L
2. Three New Resveratrol Derivatives from the Mangrove Endophytic Fungus Alternaria sp. [J] . Chunyuan Li, Daniel G. Cox, Guanghao Huang, Marine Drugs . 2014,第5期

机译：红树林内生真菌Alternaria sp。的三种新白藜芦醇衍生物。
3. Three Bianthraquinone Derivatives from the Mangrove Endophytic Fungus Alternaria sp. ZJ9-6B from the South China Sea [J] . Bin Chen, Cai-Huan Huang, Hong-Bo Huang, Marine Drugs . 2011,第5期

机译：红树林内生真菌Alternaria sp。的三种蒽醌衍生物。来自南中国海的ZJ9-6B
4. Correlation of an Endophytic Fungus (Alternaria spp.) with the Presence of Swainsonine in Lambert Locoweed (Oxytropis lambertii) [C] . D.R. Gardner, J. Romero, M.H. Ralphs, International Symposium on Poisonous Plants . 2004

机译：内生真菌（alternaria spp）的相关性与Lambert Lamoweed（Oxytropis Lambertii）的Swainsonine存在
5. Detoxification of corn antimicrobial compounds by the endophytic fungus Fusarium verticillioides and the significance to plant-fungus interactions. [D] . Glenn, Anthony Elbie. 2001

机译：内生真菌Fusarium verticillioides对玉米抗菌化合物的解毒作用及其对植物-真菌相互作用的意义。
6. Three New Resveratrol Derivatives from the Mangrove Endophytic Fungus Alternaria sp. [O] . Jinhua Wang, Daniel G. Cox, Weijia Ding, 2014

机译：红树林内生真菌Alternaria sp。的三种新白藜芦醇衍生物。
7. Three New Resveratrol Derivatives from the Mangrove Endophytic Fungus Alternaria sp. [O] . Jinhua Wang, Daniel G. Cox, Weijia Ding, 2014

机译：来自红树林内生真菌alternaria sp。的三种新型白藜芦醇衍生物。

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Altenusin derivatives from mangrove endophytic fungus Alternaria sp SK6YW3L

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