Novel aminoglycoside derivatives and their salts containing 2-deoxystreptamine moiety, of which the 1-amino group is acylated by a group represented by the formula: ##STR1## wherein R is hydrogen, lower alkyl, aralkyl, or aralkoxycarbonyl; and n is an integer of 1 or 3, effective in treatment and prevention of infectious diseases caused by gram positive and gram negative bacteria.
                            含有2-去氧
链霉素基团的新型
氨基糖苷衍
生物及其盐,其中1-
氨基团被一个由以下公式表示的基团酰化:##STR1## 其中R是氢、低碳基、芳基烷基或芳基氧羰基;n为1或3的整数,对治疗和预防由革兰氏阳性和阴性细菌引起的感染疾病具有有效性。