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新型二茂铁萘醌类化合物的合成及抗疟活性评价。

Synthesis and biological evaluation of novel ferrocene-naphthoquinones as antiplasmodial agents.

机构信息

Centro de Investigaciones en Productos Naturales and Escuela de Química, Universidad de Costa Rica, San Pedro 2060, San José, Costa Rica.

出版信息

Eur J Med Chem. 2013;70:548-57. doi: 10.1016/j.ejmech.2013.10.011. Epub 2013 Oct 12.

Abstract

This work deals with the synthesis and evaluation of new compounds designed by combination of 1,4-naphthoquinone and ferrocene fragments in a 3-ferrocenylmethyl-2-hydroxy-1,4-naphthoquinone arrangement. A practical coupling reaction between 2-hydroxy-1,4-naphthoquinone and ferrocenemethanol derivatives has been developed. This procedure can be carried out "on-water", at moderate temperatures and without auxiliaries or catalysts, with moderate to high yields. The synthesized derivatives have shown significant in vitro antiplasmodial activity against chloroquine-sensitive and resistant Plasmodium falciparum strains and it has been shown that this activity is not related to the inhibition of biomineralization of ferriprotoporphyrin IX. Binding energy calculations and docking of these compounds to cytochrome b in comparison with atovaquone have been performed.

摘要

这项工作涉及通过将 1,4-萘醌和二茂铁片段组合在 3-二茂铁基甲基-2-羟基-1,4-萘醌排列中设计的新化合物的合成和评估。已经开发出 2-羟基-1,4-萘醌与二茂铁甲醇衍生物之间的实际偶联反应。该方法可以在温和的温度下,在水中进行,无需助剂或催化剂,产率中等至高产率。合成的衍生物对氯喹敏感和耐药的恶性疟原虫菌株表现出显著的体外抗疟原虫活性,并且表明这种活性与亚铁原卟啉 IX 的生物矿化抑制无关。已经进行了这些化合物与细胞色素 b 的结合能计算和对接,并与阿托伐醌进行了比较。

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