高等学校化学学报 ›› 2017, Vol. 38 ›› Issue (11): 1963.doi: 10.7503/cjcu20170304

• 有机化学 • 上一篇    下一篇

海洋来源真菌Penicillium pinophilum次级代谢产物中Azaphilones类化合物的分离及抗菌活性

马洋洋, 蔡卉, 杜敏, 曹飞(), 朱华结()   

  1. 药物化学与分子诊断教育部重点实验室, 河北省药物质量分析控制重点实验室,河北大学药学院, 保定 071002
  • 收稿日期:2017-05-11 出版日期:2017-11-10 发布日期:2017-10-30
  • 作者简介:联系人简介: 曹 飞, 男, 博士, 副教授, 主要从事海洋天然药物研究. E-mail: caofei542927001@163.com。朱华结, 男, 博士, 教授, 主要从事手性药物化学研究. E-mail: zhuhuajie@hotmail.com
  • 基金资助:
    国家自然科学基金(批准号: 41606174)、 河北省自然科学基金(批准号: B2017201059)、 河北省教育厅资助科研项目(批准号: QN2016177, ZD2017004)和河北大学人才引进项目资助

Fractionation of Azaphilones from Secondary Metabolites of Marine-Derived Fungus Penicillim pinophilum and Their Antibacterial Activity

MA Yangyang, CAI Hui, DU Min, CAO Fei*(), ZHU Huajie*()   

  1. Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry Education,Key Laboratory of Pharmaceutical Quality Control of Hebei Province,College of Pharmaceutical Sciences, Hebei University, Baoding 071002, China
  • Received:2017-05-11 Online:2017-11-10 Published:2017-10-30
  • Contact: CAO Fei,ZHU Huajie E-mail:caofei542927001@163.com;zhuhuajie@hotmail.com
  • Supported by:
    † Supported by the National Natural Science Foundation of China(No.41606174), the Natural Science Foundation of Hebei Province of China(No.B2017201059), the Scientific Research Foundation of Hebei Educational Committee, China(Nos.QN2016177, ZD2017004) and the Financial Support from the Hebei University, China

摘要:

采用硅胶、 十八烷基硅烷键合硅胶填料(ODS)和Sephadex LH-20凝胶柱层析等手段从一株渤海来源真菌Penicillium pinophilum次级代谢产物中分离得到3个Azaphilones类化合物: Pinophilin G(1), Pinophilin B(2)和Sch 725680(3), 其中, 化合物1为新化合物. 通过核磁共振波谱(1H NMR, 13C NMR)、 长程异核位移相关谱(HMBC)、 NOSEY谱、 异核位移相关谱(HSQC)和高分辨电喷雾质谱(HR-ESI-MS)确定了化合物1的平面结构和相对构型. 通过比较实际电子圆二色谱(ECD)和量子化学计算方法计算的ECD光谱确定了化合物1的绝对构型. 活性测试结果表明, 化合物1和3均显示出不同程度的抗菌活性.

关键词: 海洋真菌, Penicillium pinophilum, Azaphilone类化合物, 绝对构型, 抗菌活性

Abstract:

Bioassay-guide fractionation of the marine-derived fungus Penicillim pinophilum led to the isolation of three azaphilones derivatives: Pinophilins G(1), Pinophilins B(2) and Sch 725680(3), which were separated by silica gel column chromatography, octadecylsilyl(ODS) column chromatography, Sephadex LH-20. Compound 1 is a new compound. The plane structure of compound 1 was determined based on HR-ESI-MS, 1H NMR, 13C NMR, heteronuclear multiple bond correlation(HMBC), nuclear overhauser effect spectroscopy(NOSEY) and heteronuclear singular quantum correlation(HSQC). The absolute configuration of compound 1 was determined by comparing its experimental electronic circular dichroism(ECD) with the calculated ECD spectra using quantum methods. The results indicated that compounds 1 and 3 showed antibacterial activities against four spices of pathogenic bacteria.

Key words: Marine-derived fungus, Penicillium pinophilum, Azaphilone derivative, Absolute configuration, Antibacterial activity

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