1-N-Alkyl-Aminoglycoside-XK-88 derivatives, valuable as antibacterial agents, are prepared by the reaction of an acid addition salt of the corresponding 1-N-unsubstituted-Aminoglycoside-XK-88 antibacterial derivative or of a 2"-N-alkanoyl-Aminoglycoside-XK-88-5 derivative in an inert solvent, preferably a protic solvent containing water, with one equivalent of a hydride-donor reducing agent and with at least one equivalent of an aldehyde. The 2"-N-alkanoyl-Aminoglycoside-XK-88-5 intermediates are prepared by the reaction of a partially neutralized acid addition salt of Aminoglycoside-XK-88-5 with an acylating agent, and isolating the 2"-N-alkanoyl-Aminoglycoside-XK-88-5.
1-N-Alkyl-Aminoglycoside-XK-88衍
生物是有价值的抗菌剂,它们是通过将相应的1-N-未取代-Aminoglycoside-XK-88抗菌衍
生物或2"-N-烷酰基-Aminoglycoside-XK-88-5衍
生物的酸加成盐在惰性溶剂中,最好是含
水的质子溶剂中,与一个等当量的氢化剂还原剂和至少一个等当量的醛反应制备而成。2"-N-烷酰基-Aminoglycoside-XK-88-5中间体是通过将Aminoglycoside-XK-88-5的部分中和的酸加成盐与酰化剂反应,并分离出2"-N-烷酰基-Aminoglycoside-XK-88-5而制备的。