significant intermolecular host-guest C-H...O, C-H...π, and π⋯π interactions, resulting in a stacked supramolecular structure. In vitro bactericidal and fungicidal screening of analogs 3a-l was screened against twelve bacterial and five fungal strains, respectively. Most of the analogs demonstrated weak to moderate antimicrobial activities, specifically 3a, 3b, 3e and 3g exhibited highest activity against
制备了一系列
4-氨基安替比林(4-AA)的12种偶氮甲碱类似物( 3a - 1 ),并使用FT-IR、 1 H-NMR和EI质谱分析进行表征。类似物3f以单晶形式获得,X射线衍射(XRD)数据表明其在中心偶氮甲碱(C=N)基团周围采用反式构型,形成单斜晶系P2(1)/n对称性。3f的晶胞包含四个分子,其晶体堆积通过显着的分子间主客体CH...O、CH...π和π⋯π相互作用而稳定,从而形成堆叠的超分子结构。类似物3a - l的体外杀菌和杀真菌筛选分别针对十二种细菌和五种真菌菌株进行了筛选。大多数类似物表现出弱到中等的抗菌活性,特别是3a、3b、3e和3g对博伊迪沙门氏菌、巨大芽孢杆菌表现出最高活性;S. sonnei和E. coli分别对A. flavus、C. albicans和N. crassa 3c、3d和3l显示出有效的杀菌活性。结果表明,抗菌效力很大程度上取决于通过偶氮甲碱 (C=N)