| abstract |
This invention relates to novel, 1,4-diaminocyclitol derivatives of antimicrobial and immunostimulating activity of the formula: ##STR1## wherein X 1 , X 2 and X 3 are each amino or protected amino, X 4 is hydrogen or hydroxy, n R 1 is hydrogen or lower alkyl, and n R 2 is higher alkanoyl permissably substituted with hydroxy, amino, azido, epoxy, protected hydroxy or protected amino, or higher alkenoyl, or higher alkylcarbanoyl, n and pharmaceutically acceptable salts thereof. |