FOERFARANDE FOER FRAMSTAELLNING AV NYA ANTIBAKTERIELLA 9-FLUOR-10-SUBSTITUERAD-3-METYLEN-7-OXO-2,3-DIHYDRO- 7H-PYRIDO(1,2,3-DE)-1,4-BENSOXAZIN-6-KARBOXYLSYROR.

摘要

Tricyclic compounds of formula (I) wherein: Z represents an oxygen atom or a methylene group, X1 represents a hydrogen atom or a halogen atom, R1 represents a cyclic amino group which may contain additonal hetero atom(s) of N,S and O and may be substituted with one or more substituents selected from the group consisiting of hydroxyl, amino, alkyl, mono- or di-alkylamino, hydroxyalkyl and aminoalkyl, and physiologically acceptable salts thereof, having antibacterial activity.