الفهرس 
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Abstract
Many types of ligands are known and the properties of its metal chelates have been investigated,however,there is aneed for the synthesis of new ligands of specific design which could lead to metal complexes with special and predictable properties.The design of such ligands must take into account the factors influencing the stability and the molecular geometry of the metal complexes.
schiff-bases derived from amino-acids and aldehydes are an important class of compounds which coordinate to metal ions via the azomethine.schiff-bases and their metal complexes play akey role in our understanding of the coordination chemistry of transition metal ions