申请人:Hoffmann-La Roche Inc.
公开号:US05773446A1
公开(公告)日:1998-06-30
Compounds of formula I ##STR1## wherein either R.sup.1 signifies straight-chain C.sub.5-10 -alkyl, branched C.sub.3-5 -alkyl, C.sub.3-6 -cycloalkyl or C.sub.3-5 .omega.-carboxyalkyl and R.sup.2 and R.sup.3 signify C.sub.1-5 -alkyl; or R.sup.1 signifies hydrogen, R.sup.2 signifies C.sub.3-5 .omega.-carboxyalkyl and R.sup.3 signifies C.sub.1-5 -alkyl; or their pharmaceutically acceptable acid addition salts have antibiotic properties and can be used in the control or prevention of infectious diseases.
化学式为I的化合物,其中R1表示直链C5-10烷基,支链C3-5烷基,C3-6环烷基或C3-5ω-羧基烷基,R2和R3表示C1-5烷基;或者R1表示氢,R2表示C3-5ω-羧基烷基,R3表示C1-5烷基;或者它们的药学上可接受的酸盐具有抗生素性能,可用于控制或预防传染病。