Three novel series of quinoline derivatives have been prepared by cyclization of the intermediate 3[(substituted)thiocarbamoyl-hydrazonomethyl]-2-chloroquinoline s and 3-aroylhydrazonomethyl-2-chloroquinolines: 3-(3-Acetyl-5-(substituted)-2,3-dihydro-1,3,4-oxa(thia)diazol-2-yl )-2- chloroquinolines (4; 5), 3-(5-(substituted)-1,3,4-oxa(thia)diazol-2-yl)-2-chloroquinolin es (6; 7), and 2-(substituted)-1,3,4-oxa(thia)diazepino[7,6-b]quinolines (8; 9). The antimicrobial activity of these compounds was studied.
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KHALIL et al. (1993) studied this question.