AMIDES OF 4-HYDROXYAZETIDINE-2-SULFONIC ACIDS AND THEIR SALTS AND METHOD OF PREPARATION THEREOF Russian patent published in 1998 - IPC

FIELD: organic synthesis. SUBSTANCE: compounds with general formula I: is provided, where R¹ is hydrogen or halogen; R² hydrogen, halogen, amino group, phenylacetamido, phenoxyacetamido, phthalimido, o- methylaminobenzamido, and 3-o-chlorophenyl-5-methylisoxazol-4-yl- carbonylamino groups; R³ is hydrogen, ; R⁴ hydrogen or sodium; R⁵ alkyl, benzyl, 5-methylisoxazolyl, 3,4-dimethylisoxazolyl, and 2- phenylpyrazolyl and their salts exhibiting antibacterial activity. Compounds I are prepared by oxidizing sulfinic acid amides with general formula II: . EFFECT: new antibacterial means obtained. 39 cl, 22 ex