Development of (4-methoxyphenyl)-1H-tetrazol-5-amine regioisomers as a new class of selective antitubercular agents
作者:Daniel Szulczyk、Anna Bielenica、Agnieszka Głogowska、Ewa Augustynowicz-Kopeć、Michał Dobrowolski、Piotr Roszkowski、Karolina Stępień、Alicja Chrzanowska、Marta Struga
DOI:10.1016/j.ejmech.2019.111882
日期:2020.1
1b-9b) were synthesized from their corresponding thiourea analogues (1-9). The synthesis pathway was confirmed by an X-ray crystallographic studies of 1a, 1b and 5a. Title derivatives were tested for their in vitro antitubercular activity against standard, "wild-type" and atypical mycobacteria. The highest therapeutic potential was attributed to isomeric N-(bromophenyl)tetrazoles 8a and 9a. Their growth-inhibitory
从其相应的硫脲类似物(1-9)合成了一系列卤代(4-甲氧基苯基)-1H-四唑-5-胺区域异构体(1a-9a,1b-9b)。通过1a,1b和5a的X射线晶体学研究证实了合成途径。测试了标题衍生物对标准,“野生型”和非典型分枝杆菌的体外抗结核活性。最高的治疗潜能归因于N-(溴苯基)四唑异构体8a和9a。它们对耐多药结核分枝杆菌的生长有抑制作用。210比一线抗结核药强8-16倍。与现有药物相比,其他新的四唑衍生化合物对这种病原体也有更多或同等效力。在非结核菌菌株中,分枝杆菌对大多数四唑衍生物的存在最敏感。发现9a和链霉素之间具有协同相互作用,以及8a和9a与异烟肼,利福平和乙胺丁醇成对的可加性。所研究的化合物均未显示出对正常和癌细胞系的抗菌或细胞毒性特性,这表明它们具有高度选择性的抗分枝杆菌作用。