A new antiviral pregnane from a gorgonian-derived Cladosporium sp fungus

被引:26
|
作者
Yu, Mei-Lin [1 ,2 ]
Guan, Fei-Fei [1 ,2 ]
Cao, Fei [1 ,3 ]
Jia, Yan-Lai [1 ,2 ]
Wang, Chang-Yun [1 ,2 ]
机构
[1] Ocean Univ China, Sch Med & Pharm, Key Lab Marine Drugs, Minist Educ China, Qingdao, Peoples R China
[2] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Drugs & Bioprod, Qingdao, Peoples R China
[3] Hebei Univ, Coll Pharmaceut Sci, Key Lab Pharmaceut Qual Control Hebei Prov, Baoding, Peoples R China
基金
中国国家自然科学基金;
关键词
Cladosporium sp; gorgonian Dichotella gemmacea; 3-OH pregnane; structure elucidation; antiviral activity; DERIVATIVES; STRAIN;
D O I
10.1080/14786419.2017.1342086
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A new pregnane, 3-hydroxy-7-ene-6,20-dione (1), and five known steroids (2-6), along with one known steroidal glycoside (7) were obtained from the fungus Cladosporium sp. WZ-2008-0042 cultured from a gorgonian Dichotella gemmacea collected from the South China Sea. The structure and absolute configuration of the new compound (1) were elucidated by comprehensive spectroscopic data and X-ray diffraction data. The compound has a rare configuration of 3-OH that is different from most of pregnanes. All of the isolated compounds were evaluated for their antiviral activities against respiratory syncytial virus (RSV). Among them, 1 exhibited potential antiviral activity with the IC50 value of 0.12mM. [GRAPHICS]
引用
收藏
页码:1260 / 1266
页数:7
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