A new pregnane steroid from cultures of Aspergillus versicolor

被引：5

作者：

Ding, Jian-Hai ^{[1
,2
]}

Ding, Zhang-Gui ^{[2
]}

Zhao, Jiang-Yuan ^{[2
]}

Li, Ming-Gang ^{[2
]}

Hu, Dong-Bao ^{[3
]}

Jiang, Xian-Jun ^{[4
]}

Zhou, Dong-Sheng ^{[4
]}

Wang, Fei ^{[4
]}

Wen, Meng-Liang ^{[2
]}

机构：

[1] Ningxia Normal Univ, Coll Chem & Chem Engn, Guyuan, Peoples R China

[2] Yunnan Univ, Yunnan Inst Microbiol, Key Lab Microbial Resources, Minist Educ, Kunming, Yunnan, Peoples R China

[3] Yuxi Normal Univ, Sch Chem Biol & Environm, Yuxi, Peoples R China

[4] BioBioPha Co Ltd, Kunming, Yunnan, Peoples R China

来源：

NATURAL PRODUCT RESEARCH | 2019年 / 33卷 / 13期

基金：

中国国家自然科学基金;

关键词：

Aspergillus versicolor; secondary metabolite; absolution configuration; electronic circular dichroism; DERIVATIVES; METABOLITES;

D O I：

10.1080/14786419.2018.1478828

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A new pregnane steroid, named aspergillon A (1), together with two known compounds, (22E,24R)-ergosta-5,7,22-trien-3 beta-ol (2) and (22E, 24R)-ergosta-4,6,8(14),22-tetraen-3-one (3) were isolated from cultures of the tin mine tailings-associated fungus Aspergillus versicolor. The new structure and absolute configuration were determined with the help of extensive spectroscopic analyses and quantum chemical calculations of the electronic circular dichroism (ECD) spectra. [GRAPHICS] .

引用

页码：1885 / 1890

页数：6

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