Synthesis, Antibacterial and Antifungal Activity of New 3-Aryl-5H-pyrrolo[1,2-a]imidazole and 5H-Imidazo[1,2-a]azepine Quaternary Salts
作者:Sergii Demchenko、Roman Lesyk、Oleh Yadlovskyi、Johannes Zuegg、Alysha G. Elliott、Iryna Drapak、Yuliia Fedchenkova、Zinaida Suvorova、Anatolii Demchenko
DOI:10.3390/molecules26144253
日期:——
synthesized compounds show antibacterial and antifungal activity. Synthesized 3-(3,4-dichlorohenyl)-1-[(4-phenoxyphenylcarbamoyl)-methyl]-6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-1-ium chloride 6c possessed a broad activity spectrum towards Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Acinetobacter baumannii, and Cryptococcus neoformans, with a high hemolytic activity against human red blood
一系列的新的3-芳基-5- ħ -吡咯并[1,2-一个]咪唑和5 ħ -咪唑并[1,2一]氮杂在58-85%的收率通过3-芳基的反应,合成季盐-6, 7-二氢-5 H -吡咯并[1,2- a ]咪唑或3-芳基-6,7,8,9-四氢-5 H -咪唑并[1,2- a ]氮杂和各种烷基化试剂. 所有化合物均通过1 H NMR、13C NMR和LC-MS。对新季盐衍生物的体外抗菌活性进行的筛选研究表明,18 种新合成化合物中有 15 种显示出抗菌和抗真菌活性。合成3-(3,4- dichlorohenyl)-1 - [(4- phenoxyphenylcarbamoyl) -甲基] -6,7-二氢-5- ħ -吡咯并[1,2-一个]咪唑-1-鎓氯化物6C具有较宽的对金黄色葡萄球菌、大肠杆菌、肺炎克雷伯菌、鲍曼不动杆菌和新型隐球菌的活性谱,对人红细胞具有高溶血活性,对HEK-293具有细胞毒性. 然