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Abstract .Nitrones As a Route for the Synthesis Of Some Heterocyclic Hompounds.In view Of The Reported Utilization Of Nitrones In The Synthesis Of Heterocyclic Compounds That Contains Isoxazolidine Rings That Are known To Posses Antibacterial Activity By The 1,3 -Dipolar Cycloaddition To Alkenes,And Because Of The Ability Of These Cycloaddition To Alkenes,And Because Of Ahe Ability Of These Cycloaddition Reactions To Generate Three New Stereocebters In The Products. |