The synthesis of 10-membered and 12-membered tellurium containing tetraazamacrocyclic complexes of platinum (II) by template condensation of diaryltellurium dichlorides, (aryl = phydroxyphenyl, 3-methyl-4-hydroxyphenyl, p-methoxyphenyl) with ethylenediamine and 1, 3- diaminopropane in the presence of platinum dichloride is reported. The resulting complexes have been subjected to elemental analyses, magnetic measurements, solution electronic absorption, infra-red, and proton magnetic resonance spectral studies. The formation of proposed macrocyclic skeletons and their donor sites have been identified on the basis of spectral studies. Square planer geometry has been assigned to all these platinum complexes.
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