Abstract
Pyrazolone, Isoxazolone, Pyrimidinone, Pyrimidinothione, thiazolidinone and beta-lactam incorporating 2-oximino benzpyrid-4-one derivatives have been synthesized by cyclocondensation addition reaction and cycloaddition of hydrazine hydrate, phenyl hydrazine, hydroxylamine, urea, thiourea, mercapto acetic acid, and chloroacetylchloride, respectively.