Compound which is a prodrug of hydroxamic acid or a salt thereof, lyophilized preparation, LpxC inhibitor and antibacterial agent

摘要

An object of the present invention is to provide a compound or a salt thereof exhibiting strong antibacterial activity and excellent solubility in water, and a freeze-dried preparation, an LpxC inhibitor, and an antibacterial agent containing the above compound or a salt thereof. It is to be. According to the present invention, the general formula [1] “wherein R1 is a hydrogen atom, R2 is a hydrogen atom, R3 is a hydrogen atom, R4 is a hydrogen atom, and n is Represents 0 or 1, or a salt thereof.