non-replicating (NRP) conditions, resulted in the identification of multiple, novel but structurally related spiropiperidines with potent antitubercular properties. These compounds could be further classified into three classes namely 3-(3-aryl-1,2,4-oxadiazol-5-yl)-1′-alkylspiro[indene-1,4′-piperidine] (abbr. spiroindenes), 4-(3-aryl-1,2,4-oxadiazol-5-yl)-1′-alkylspiro[chromene-2,4′-piperidine] (abbr. spirochromenes)
在复制和非复制(NRP)条件下进行的基于全细胞的筛选,以鉴定抗结核分枝杆菌(Mtb)的命中物,从而鉴定出具有有效抗结核特性的多种新颖但与结构相关的螺
哌啶。这些化合物可进一步分为三类,即3-(3-芳基-
1,2,4-恶二唑-5-基)-1'-烷基螺[
茚-1,4'-
哌啶](螺环
茚), 4-(3-芳基-
1,2,4-恶二唑-5-基)-1'-烷基螺[色烯-2,4'-
哌啶](螺螺
铬烯)和1'-苄基螺[
吲哚-1,4 ′-
哌啶] -2(1 H)-1 (螺旋螺
吲哚)。螺
茚显示⩾4log 10在复制的Mtb上杀死(2–12μM),但在非复制条件下具有中等活性。螺环
茚抗性突变体的全
基因组测序工作导致鉴定了MmpL3(大分枝杆菌膜蛋白)中的I292L突变,这是将霉菌酸组装到Mtb的细胞壁核心中所必需的。MIC调制研究表明,该突变体对螺环
色酮具有交叉抗性,但对螺线
吲哚酮不具有交叉抗性。该信函描述了
铅鉴定工作,旨在提高效