| abstract |
Oxazolidine derivatives of formula (I): where X means O, S, NH or NA Y means R2 substituted with aziridine, azetidine, pyrrolidine, piperidine, hexahydroazein or piperazine residue R1 means R2 means -CrH2r-COOR3, Ar, A means alkyl with 1-6 C atoms, B means H, A, cycloalkyl with 3-7 C atoms, Ar-CkH2k or amidino group, Ar means unsubstituted or mono- or di-substituted by A, Cl, Br , I, NO2, CN, OA, OH, NH2, NHA and / or NA2 phenyl or benzyl residue, "k" means 1, 2, 3 or 4, "m" and "r" each, independently of one another, mean 0,1, 2, 3 or 4, and "n" means 2, 3 or 4, as well as their physiologically acceptable salts. |