【摘 要】
:
Three new pyrrolizidine alkaloids, nervosine VⅡ (1), nervosine VⅢ(2) and nervosine Ⅸ(3) were isolated from the whole plant extract of Liparis nervosa. Their
【机 构】
:
School of Life Science and Engineering, Southwest Jiaotong University,
【出 处】
:
Chinese Chemical Letters
论文部分内容阅读
Three new pyrrolizidine alkaloids, nervosine VⅡ (1), nervosine VⅢ(2) and nervosine Ⅸ(3) were isolated from the whole plant extract of Liparis nervosa. Their structures were elucidated by extensive spectroscopic analyses(including 1D, 2D NMR, and HR-ESI-MS) and chemical methods. Compounds 1–3were evaluated for their cytotoxic activity against A549, MCF-7and H460 human cancer cell lines.
Three new pyrrolizidine alkaloids, nervosine V II (1), nervosine V III (2) and nervosine IX (3) were isolated from the whole plant extract of Liparis nervosa. Their structures were elucidated extensive spectroscopic analyzes (including 1D, 2D NMR, and HR ESI-MS) and chemical methods. Compounds 1-3were evaluated their cytotoxic activity against A549, MCF-7 and H460 human cancer cell lines.
其他文献
苏格兰近日的一项研究结果表明,妇女在妊娠期间服用维生素E似乎可降低孩童早期哮喘的危险性,但维生素C的摄入则有
A recent study in Scotland showed that women taking v
文章结合华中师范大学充分利用图书馆外文图书保存本阅览室开展读者服务的事例,探讨了如何提高外文图书的利用率。
The article combines Huazhong Normal University to ma
目前为了减少层间干扰或者是提高开发效果,一般厚油藏采用分层系开采,但是对于一些厚度比较大的油藏分层系开采有效厚度变小将导致产量达不到经济极限产量,无法取得较好的经
文章探讨了图书馆文献编目工作自动化的特点和建设要求,指出在网络环境下文献编目工作的模式和相应的发展思路。
This paper discusses the characteristics and constructi
通过对ISI网站和JCR中期刊数据的分析和归纳,总结出Web of Science收录中国相关期刊108种。通过聚类分析、区域分析和其他相关度的分析,为科研工作者了解国外著名数据库收录
一、谢国桢信陈江同志:辱赐书询及孙毓修先生情况。因为我现在正在病中,住在首都医院治疗,所以对你信中提出的问题难于具体提供什么材料,只能简单提出两条,供你参考,十分抱歉
内地高校图书馆假期开放已很普遍,但与港台相比,仍有很大差距。据对北京大学、清华大学、北京师范大学、华南师范大学、同济大学等15个内地高校馆和台湾大学、海洋大学、辅仁
我想这个问题 ,不是指导致低血糖的高胰岛素血症 ,而是指存在着胰岛素抵抗的高胰岛素血症而言。大家知道糖尿病的发生机制 ;胰岛素抵抗只是一个方面 ,或者说是一个重要的方面
目标物样品的制备在复杂基体分离和测定中是一个极为重要的步骤。近年来,样品制备的发展方向是小型化、自动化和高效化,最近10年出现了填充吸着剂微萃取(Microextraction by