Aminoglycoside derivatives of the general formula (I)
are disclosed,
wherein R is hydrogen or acyl:
n is an integer of 1 to 3;
R1 is aminomethyl, hydroxymethyl, 1-aminoethyl, or 1-methylaminoethyl;
R2, R3 and R6 are each hydrogen or hydroxy;
R4 is hydroxy or amino;
R5 is amino or methylamino;
R7 is hydroxy or methyl;
R8 is hydrogen, hydroxymethyl or carbamoylox ymethyl; and the dotted line represents the presence or absence or a double bond, with the proviso that if the dotted line represents a double bond, R5 is methylamino, and their salts with together with a process for their preparation and that maceutical composition having antibiotic activity and containing compounds of the general formula (I)
通式(I)的
氨基糖苷衍
生物
的
氨基糖苷衍
生物、
其中 R 是氢或酰基
n 是 1 至 3 的整数;
R1 是
氨基甲基、羟甲基、1-
氨基乙基或 1-甲基
氨基乙基;
R2、R3 和 R6 均为氢或羟基;
R4 是羟基或
氨基
R5 是
氨基或甲
氨基
R7 是羟基或甲基
R8 是氢、羟甲基或
氨基甲酰氧甲基;虚线表示有无双键,但如果虚线表示双键,则 R5 是甲
氨基,以及它们的盐和它们的制备方法,以及具有抗生素活性并含有通式(I)化合物的药物组合物。