SAR study of N′-(Salicylidene)heteroarenecarbohydrazides as promising antifungal agents
作者:Yi Sun、Saerom Kim、SeungYoun Shin、Kathryn Takemura、Gabriel S. Matos、Cristina Lazzarini、Krupanandan Haranahalli、Julia Zambito、Ashna Garg、Maurizio Del Poeta、Iwao Ojima
DOI:10.1016/j.bmc.2024.117610
日期:2024.2
excellent antifungal activities against Cryptococcus neoformans, Candida albicans, Aspergillus fumigatus and several other fungi both in vitro and in vivo. Building upon these highly promising results, 71 novel N′-(salicylidene)heteroarenecarbohydrazides 5 were designed, synthesized and their antifungal activities examined against fungi. Based on the SAR study, four highly promising lead compounds, i.e
临床上可用的抗真菌药物由于毒性、活性谱窄以及内在或获得性耐药性而具有治疗局限性。因此,迫切需要新型低毒、作用机制新颖的广谱抗真菌药物。在此背景下,我们成功鉴定了几种极具前景的先导化合物,即芳香族N' -(水杨基)碳酰肼,它们在体外和体内对新型隐球菌、白色念珠菌、烟曲霉和其他几种真菌均表现出优异的抗真菌活性。基于这些极具前景的结果,设计、合成了 71 种新型N' -(水杨基)杂芳碳酰肼5 ,并检查了它们对真菌的抗真菌活性。基于SAR研究,鉴定出四种极具前景的先导化合物,即5.6a、5.6b 、 5.7b和5.13a ,它们对新型念珠菌、白色念珠菌和烟曲霉表现出优异的效力,并表现出令人印象深刻的时间-针对新型隐球菌的杀灭特征具有极高的选择性指数 (SI ≥ 500)。这四种先导化合物还显示出与临床抗真菌药物氟康唑、卡泊芬净 (CS) 和两性霉素 B 对抗新型隐球菌的协同作用。 对于SAR研究,我们还利用大量芳香族和杂芳香族N'