Evaluation of Bis-Alkylamidoxime<i>O</i>-Alkylsulfonates as Orally Available Antimalarials
作者:Mélissa Degardin、Sharon Wein、Smitha Gouni、Christophe Tran Van Ba、Jean-Frédéric Duckert、Thierry Durand、Roger Escale、Henri Vial、Yen Vo-Hoang
DOI:10.1002/cmdc.201200112
日期:2012.6
metabolism. Unfortunately, these compounds are not orally available. To solve this absorption issue, we investigated a prodrug strategy based on sulfonate derivatives of alkylamidoximes. A total of 25 sulfonates were synthesized as prodrug candidates of one bis‐N‐alkylamidine and of six N‐substituted bis‐C‐alkylamidines. Their antimalarial activities were evaluated in vitro against P. falciparum and in vivo
控制疟疾的主要威胁是疟原虫新出现的多药耐药性 。寄生虫。双烷基am被开发为靶向血浆磷脂代谢的潜在新化学疗法。不幸的是,这些化合物不是口服可获得的。为了解决该吸收问题,我们研究了基于烷基氨基肟磺酸盐衍生物的前药策略。总共合成了25种磺酸盐作为一种双N- N-烷基am和六个N-取代的双C - C-烷基am的前药候选物。在体外针对恶性疟原虫和在体内针对温氏疟原虫评估了它们的抗疟活性。在小鼠中定义构效关系。C-烷基和N-烷基am的磺酸盐基团上的小烷基取代基具有最佳的口服抗疟活性;将烷基磺酸盐衍生物化学转化为相应的烷基am。