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Abstract
In this part synthesis of isolated B-lactams,thiazolidinones,fused spiro pyrazolones,isoxazolines,pyrimidines and thiazolidinonnes incorporating3-cyano-2-methy4.9dioxo-1.2-dihydrobenzo have been synthesized by cycloaddition reaction of monochloroacetyl chloride and mercaptoaceticacid with synthesized havebeen synthesized by cyclocondensation addition reaction of hydrazines,hydroxylamine,urea and thiourea.