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Novel Cyclic Hexapeptides from Marine-Derived Fungus, Aspergillus sclerotiorum PT06-1

文献类型: 外文期刊

作者: Zheng, Jinkai 1 ; Zhu, Huajie 2 ; Hong, Kui 3 ; Wang, Yi 1 ; Liu, Peipei 1 ; Wang, Xin 1 ; Peng, Xiaoping 1 ; Zhu, Weimin 1 ;

作者机构: 1.Ocean Univ China, Key Lab Marine Drugs, Chinese Minist Educ, Sch Med & Pharm, Qingdao 266003, Peoples R China

2.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources, Kunming Inst Bot, Kunming 650204, Peoples R China

3.Chinese Acad Trop Agr Sci, Inst Trop Biol Sci & Biotechnol, Haikou 571101, Peoples R China

关键词: ALKALOIDS;CYCLOPEPTIDES;ASSAY

期刊名称:ORGANIC LETTERS ( 影响因子:6.005; 五年影响因子:5.551 )

ISSN:

年卷期:

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收录情况: SCI

摘要: Two novel cyclic hexapeptides containing both anthranilic acid and dehydroamino acid units, sclerotides A (1) and B (2), were isolated from the marine-derived halotolerant Aspergillus sclerotiorum PT06-1 in a nutrient-limited hypersaline medium. Both 1 and 2 are photointerconvertible and could be interconverted via a radical reaction Initiated by direct photoisomerization. Both compounds showed moderate antifungal activity. Compound 2 also showed weak cytotoxicity and antibacterial activity.

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