NOVEL AMINOGLYCOSIDE ANTIBIOTICS

摘要

a novel aminoglycoside antibiotic which has an excellent anti-bacterial activity against an infection-inducing bacterium, particularly MRSA, and also has low renal toxicity; and a process for production of the antibiotic. More specifically, disclosed are: a compound represented by the formula (Ia) or a pharmacologically acceptable salt or solvate thereof, or a diastereomeric mixture of the compound, the salt or the solvate; an antibacterial agent comprising the compound, the salt, the solvate or the diastereomeric mixture; and a process for production of the compound. [Chemical formula 1] (Ia)