Provided are novel compounds represented by the following general formula [1] or pharmaceutically acceptable salts thereof, that inhibit LpxC, as well as pharmaceutical drugs comprising those compounds or pharmaceutically acceptable salts thereof, that exhibit antimicrobial activity against gram-negative bacteria including Pseudomonas aeruginosa and their drug resistant strains and are useful in the treatment of bacterial infections, wherein X is selected from the following formula [2] : Y is selected from the following formula [3].
提供以下一般式[1]所代表的新化合物或其药用盐,其抑制LpxC,以及包含这些化合物或其药用盐的药物,对包括
铜绿假单胞菌及其耐药菌株在内的革兰氏阴性细菌表现出抗微
生物活性,并且在治疗细菌感染方面有用,其中X从以下一般式[2]中选择:Y从以下一般式[3]中选择。