One-pot, multi-component synthesis and structure-activity relationships of peptoid-based histone deacetylase (HDAC) inhibitors targeting malaria parasites
作者:Daniela Diedrich、Katharina Stenzel、Eva Hesping、Yevgeniya Antonova-Koch、Tamirat Gebru、Sandra Duffy、Gillian Fisher、Andrea Schöler、Stephan Meister、Thomas Kurz、Vicky M. Avery、Elizabeth A. Winzeler、Jana Held、Katherine T. Andrews、Finn K. Hansen
DOI:10.1016/j.ejmech.2018.09.018
日期:2018.10
Malaria drug discovery has shifted from a focus on targeting asexual blood stage parasites, to the development of drugs that can also target exo-erythrocytic forms and/or gametocytes in order to prevent malaria and/or parasite transmission. In this work, we aimed to develop parasite-selective histone deacetylase inhibitors (HDACi) with activity against the disease-causing asexual blood stages of Plasmodium
疟疾药物的发现已经从专注于无性血液阶段寄生虫的重点转移到了也可以靶向外红细胞形式和/或配子体细胞以预防疟疾和/或寄生虫传播的药物的开发。在这项工作中,我们旨在开发具有选择性的寄生虫选择性组蛋白脱乙酰基酶抑制剂(HDACi),其具有抗疟原虫疟疾的无病血液阶段以及具有预防性和/或传播阻断特性的活性。通过顺序的Ugi四组分反应和羟氨解的优化的一锅多组分方案用于制备一组类肽基HDACi。几种化合物对药敏和耐药的恶性疟原虫显示出有效的活性无性血液阶段,高的寄生虫选择性和针对伯氏疟原虫外红细胞生成形式的亚微摩尔活性。我们的优化研究结果发现了一种命中化合物1u,该化合物具有针对无性血液阶段寄生虫的高活性(Pf 3D7 IC 50:4 nM;Pf Dd2 IC 50:1 nM)和伯氏疟原虫外红细胞生成形式(Pb EEF IC 50:25纳米)与希望的寄生虫特异性活性(SI Pf的 3D7 / HepG2细胞:2496,SI