Design, Synthesis, Antibacterial, and Antifungal Evaluation of Phenylthiazole Derivatives Containing a 1,3,4-Thiadiazole Thione Moiety
作者:Guoqing Mao、Yao Tian、Jinchao Shi、Changzhou Liao、Weiwei Huang、Yiran Wu、Zhou Wen、Linhua Yu、Xiang Zhu、Junkai Li
DOI:10.3390/molecules29020285
日期:——
To effectively control the infection of plant pathogens, we designed and synthesized a series of phenylthiazole derivatives containing a 1,3,4-thiadiazole thione moiety and screened for their antibacterial potencies against Ralstonia solanacearum, Xanthomonas oryzae pv. oryzae, as well as their antifungal potencies against Sclerotinia sclerotiorum, Rhizoctonia solani, Magnaporthe oryzae and Colletotrichum
为了有效控制植物病原菌的侵染,我们设计合成了一系列含有1,3,4-噻二唑硫酮结构的苯基噻唑衍生物,并筛选了它们对青枯菌、米黄单胞菌的抗菌活性。米霉,以及它们对核盘菌、立枯丝核菌、米霉和胶孢炭疽菌的抗真菌效力。通过1H NMR、13C NMR和HRMS对目标化合物的化学结构进行了表征。生物测定结果显示,所有测试的化合物对六种植物病原体均表现出中等至优异的抗菌和抗真菌活性。其中,化合物5k对青枯菌的抗菌活性最为显着(EC50 = 2.23 μg/mL),显着优于化合物E1(EC50 = 69.87 μg/mL)和市售试剂噻二唑铜(EC50 = 52.01)。微克/毫升)。同时,化合物5b对核盘菌表现出最优异的抗真菌活性(EC50 = 0.51 μg/mL),与市售杀菌剂多菌灵(EC50 = 0.57 μg/mL)相当。初步构效关系(SAR)结果表明,在苯环的间位和邻位引入吸电子基团可以分别赋予