ANTIBACTERIAL ACTIVITY OF SOME NOVEL 3,4-HETERO
ANNELATED QUINOLIN-2-ONES
A. JAYASHREE GOPAL REDDY AND M. DARBARWAR
Abstract
A series of novel oxothienoquinolines, triazolothiadiazepinoquinolinones, quinobenzoxazepinones,
quinobenzothiazepinones, and quinobenzothiazinones are synthesized from 3,4-disubstituted
quinolin-2-ones and screened for antibacterial activity against Staphylococcus aureus and Escherichia coli.
Among these, 1-ethyl-4-chloro-3-cyanoquinolin-2-one, 1-methyl-4-chloro-3-cyanoquinolin-2-one, 3-amino-
4,5-dihydro-5-ethyl-4-oxothieno[3,2-c]quinolin-2-carboxylicacid, 5-ethylquino [4,3b][1,5] benzoxazepin-6(5H)
one exhibited promising antibacterial activity against Staphylococcus aureus.
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