Design of novel water-soluble isoxazole-based antimicrobial agents and evaluation of their cytotoxicity and acute toxicity
作者:Evgeniy V. Kondrashov、Lyudmila A. Belovezhets、Nina S. Shatokhina、Alexandra N. Shilova、Yana A. Kostyro、Yulia A. Markova、Marina K. Borovskaya、Gennadii B. Borovskii
DOI:10.1016/j.bioorg.2023.106644
日期:2023.9
available 3-organyl-5-(chloromethyl)isoxazoles, a number of previously unknown water-soluble conjugates of isoxazoles with thiourea, amino acids, some secondary and tertiary amines, and thioglycolic acid were synthesized. The bacteriostatic activity of aforementioned compounds has been studied against Enterococcus durans B-603, Bacillus subtilis B-407, Rhodococcus qingshengii Ac-2784D, and Escherichia
基于容易获得的3-有机基-5-(氯甲基)异恶唑,合成了许多以前未知的异恶唑与硫脲、氨基酸、一些仲胺和叔胺以及巯基乙酸的水溶性缀合物。已经研究了上述化合物对杜兰斯肠球菌B-603、枯草芽孢杆菌B-407、庆生红球菌Ac-2784D 和大肠杆菌B-1238 微生物(由全俄罗斯微生物保藏中心 (VKM) 提供)的抑菌活性。已经确定了异恶唑环3位和5位取代基的性质对所得化合物的抗菌活性的影响。结果发现,异恶唑环3位含有4-甲氧基苯基或5-硝基呋喃-2-基取代基以及5位含有1-脯氨酸或N -Ac残基的亚甲基的化合物具有最高的抑菌效果。 - l -半胱氨酸( 5a–d ,MIC 0.06–2.5 µg/ml)。与众所周知的含异恶唑抗生素苯唑西林相比,这些主要化合物对正常人皮肤成纤维细胞 (NAF1nor) 的细胞毒性较低,对小鼠的急性毒性也较低。