Aminoglycoside antibiotics. 2. N, N-Dialkylkanamycins

Journal of Medicinal Chemistry
1979.0

Abstract

N6',N3''-Dialkyl derivatives of kanamycins A and B were prepared regiospecifically from the parent antibiotics. Although the dimethyl and diethyl derivatives of kanamycin A were inactive in standard antibacterial assays, the dimethyl derivative of kanamycin B showed moderate activity, especially against various strains of Pseudomonas aeruginosa. A method for the selective dimethylation of the 3''-amino group of kanamycin A also was developed.

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