| abstract |
Hydroxyaminohydrocarbonphosphonic acid derivatives represented by the formula: <IMAGE> wherein R1 is hydrogen or acyl, R2 is hydrogen, lower alkyl, ar(lower) alkyl or acyl, and A is lower alkylene, lower alkenylene or hydroxy(lower) alkylene, or the esters at the phosphono group thereof or the pharmaceutically acceptable salts thereof, excepting 3-(N-acetyl-N-hydroxyamino) propylphosphonic acid, 3-(N-acetyl-N-hydroxyamino)-2-hydroxypropylphosphonic acid, and their pharmaceutically acceptable salts, and processes for preparing the same. Included are compounds having antimicrobial activity against various pathogenic organisms. |