Antibiotic aminoglycosides, processes of preparation and pharmaceutical compositions

摘要

There are disclosed pharmaceutically-active aminoglycosides comprising 4-O-(2',6'-diamino 2',6'-didesoxy alpha ,D-glucopyrannosyl) 6-O-(3''-amino 3'',4'',6''-tridesoxy alpha , D-xylohexopyrannosyl) 2-desoxy streptamine of the formula: <IMAGE> I and the addition salts thereof with mineral acids or organic acids. Also disclosed are methods for preparation of the novel products as well as certain novel intermediate products. There are also disclosed pharmaceutical compositions in which the novel products are the active agents as well as methods for use of compositions as antibiotic agents.