Sulfonamide-based non-alkyne LpxC inhibitors as Gram-negative antibacterial agents
作者:Tetsuya Kawai、Iwase Kazuhiko、Noriko Takaya、Yuko Yamaguchi、Ryuta Kishii、Yasushi Kohno、Haruaki Kurasaki
DOI:10.1016/j.bmcl.2016.12.059
日期:2017.2
We attempted to optimize sulfonamide-based non-alkyne LpxC inhibitors by focusing on improvements in enzyme inhibitory and antibacterial activity. It was discovered that inhibitors possessing 2-aryl benzofuran as a hydrophobe exhibited good activity. In particular, compound 21 displayed impressive antibacterial activity (E. coli MIC = 0.063 μg/mL, K. pneumoniae MIC = 0.5 μg/mL, and P. aeruginosa MIC = 0
我们试图通过专注于酶抑制和抗菌活性的改善来优化基于磺酰胺的非炔烃LpxC抑制剂。发现具有2-芳基苯并呋喃作为疏水物的抑制剂表现出良好的活性。尤其是,化合物21显示出令人印象深刻的抗菌活性(大肠杆菌MIC = 0.063μg/ mL,肺炎克雷伯菌MIC = 0.5μg/ mL,铜绿假单胞菌MIC = 0.5μg/ mL),是进一步探索的有希望的先导作为抗菌剂。