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Abstract
In this section, the reaction utilized for the synthesis of the intermediates and final compounds are discussed with reference to the knowledge available in the literature mechanistic pathways are proposed to some of the compounds. This section is subdivided into three parts. Figures and spectral data: The structures assigned to the new compounds were supported by microanalysis, infrared, P1PH-NMR and Mass spectral data as in the Figures. The thesis if terminated with references relevant to the work discussed. Biological Activity: In this section described the biological activities of some compounds.