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Synthesis and preliminary anti-inflammatory and anti-bacterial evaluation of some diflunisal aza-analogs†
RSC Medicinal Chemistry ( IF 4.1 ) Pub Date : 2018-04-24 00:00:00 , DOI: 10.1039/c8md00139a Davide Carta 1 , Paola Brun 2 , Matteo Dal Pra 1 , Giulia Bernabè 2 , Ignazio Castagliuolo 2 , Maria Grazia Ferlin 1
RSC Medicinal Chemistry ( IF 4.1 ) Pub Date : 2018-04-24 00:00:00 , DOI: 10.1039/c8md00139a Davide Carta 1 , Paola Brun 2 , Matteo Dal Pra 1 , Giulia Bernabè 2 , Ignazio Castagliuolo 2 , Maria Grazia Ferlin 1
Affiliation
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Our aim was to identify new multi-target compounds endowed with both anti-inflammatory and anti-bacterial activities for treatment of human infections. Diflunisal, a nonsteroidal anti-inflammatory agent, has recently been repurposed for its anti-virulence properties against methicillin-resistant Staphylococcus aureus. Effective synthesis of some aza-analogs of the anti-inflammatory drug diflunisal was carried out following the route involving key oxazole intermediates to obtain o- and m-hydroxypyridinecarboxylic acid derivatives. The newly synthesized diflunisal aza-analogs did not exhibit cytotoxic activity up to 80 μM and some of them exhibited anti-inflammatory activities, decreasing the levels of pro-inflammatory cytokines and prostaglandins induced by bacterial lipopolysaccharide in human primary macrophages. Ten of the diflunisal aza-analogs were found to have interesting antibacterial activity, sensitizing S. aureus, Streptococcus pyogenes, Enterococcus faecium, and Pseudomonas aeruginosa to the antibacterial effects of beta-lactam antibiotics and protein synthesis inhibitors.
中文翻译：
一些二氟尼柳氮杂类似物的合成和初步抗炎和抗菌评价†
我们的目标是确定具有抗炎和抗菌活性的新的多靶点化合物，用于治疗人类感染。Diflunisal 是一种非甾体抗炎剂，最近因其对耐甲氧西林金黄色葡萄球菌的抗毒力特性而被重新利用。抗炎药二氟尼柳的一些氮杂类似物的有效合成是按照关键恶唑中间体的路线进行的，以获得o-和m-羟基吡啶羧酸衍生物。新合成的二氟尼柳氮杂类似物在高达 80 μM 时没有表现出细胞毒活性，其中一些表现出抗炎活性，降低了人原代巨噬细胞中细菌脂多糖诱导的促炎细胞因子和前列腺素的水平。发现 10 种二氟尼柳氮杂类似物具有有趣的抗菌活性，使金黄色葡萄球菌、化脓性链球菌、屎肠球菌和铜绿假单胞菌对 β-内酰胺类抗生素和蛋白质合成抑制剂的抗菌作用敏感。
更新日期：2018-04-24
中文翻译：
一些二氟尼柳氮杂类似物的合成和初步抗炎和抗菌评价†
我们的目标是确定具有抗炎和抗菌活性的新的多靶点化合物，用于治疗人类感染。Diflunisal 是一种非甾体抗炎剂，最近因其对耐甲氧西林金黄色葡萄球菌的抗毒力特性而被重新利用。抗炎药二氟尼柳的一些氮杂类似物的有效合成是按照关键恶唑中间体的路线进行的，以获得o-和m-羟基吡啶羧酸衍生物。新合成的二氟尼柳氮杂类似物在高达 80 μM 时没有表现出细胞毒活性，其中一些表现出抗炎活性，降低了人原代巨噬细胞中细菌脂多糖诱导的促炎细胞因子和前列腺素的水平。发现 10 种二氟尼柳氮杂类似物具有有趣的抗菌活性，使金黄色葡萄球菌、化脓性链球菌、屎肠球菌和铜绿假单胞菌对 β-内酰胺类抗生素和蛋白质合成抑制剂的抗菌作用敏感。
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