Identification of 2-arylquinazolines with alkyl-polyamine motifs as potent antileishmanial agents: synthesis and biological evaluation studies
作者:Anjila Kumari、Tara Jaiswal、Vinay Kumar、Neha Hura、Gulshan Kumar、Neerupudi Kishore Babu、Ayan Acharya、Pradyot K. Roy、Sankar K. Guchhait、Sushma Singh
DOI:10.1039/d1md00336d
日期:——
alkyl polyamines as side chain/ring functional motifs at the 4th-position were considered for antileishmanial study with the rationale that related heterocyclic scaffolds and polyamine functionalities are present in drugs, clinical trial agents, natural products and anti-parasitic/leishmanial agents. Synthesis involves construction of the 2-arylquinazolin-4-one ring and deoxyamination via deoxychlorination
2-芳基喹唑啉在第 4 位具有一系列烷基多胺作为侧链/环功能基序,被考虑用于抗寄生虫研究,其基本原理是相关的杂环支架和多胺官能团存在于药物、临床试验药物、天然产物和抗寄生虫药物中。寄生虫/利什曼原虫。合成包括构建 2-arylquinazolin-4-one 环和通过脱氧氯化脱氧胺化,然后是基于 S N Ar 的胺化或由 BOP 介导的羟基活化驱动的 S N Ar-脱氧胺化方法。并入了对活性很重要的各种烷基多胺。共制备了 26 种化合物,并针对多诺瓦尼利什曼原虫(Ld) 使用 MTT 测定的前鞭毛体细胞。大多数研究的系列化合物显示出特征性的利什曼杀灭特性。几种化合物显示出明显的利什曼杀灭活性 (IC 50 : 5–6.5 μM),其效率高于抗利什曼药物米替福新 (IC 50 : 10.5 μM),并且与米替福新相比对巨噬细胞宿主细胞的细胞毒性相对较低 (SI: 9.27–13.5) ( SI:3