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Abstract This thesis includes three chapters the first chapter is the introduction which is a general review of the synthesis substituted pyrazoles starting from ten different classes of precursors these classes of starting materials diketone carboxylic acids and esters acetylenic compounds chalcones pyrazolines heterocyclic compounds imine derivatives B - chlorovinylketones 1,4 dianions of phenylhdrazones having an hydrogen and finally from sugar hydazones.. |