Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2017 Vol: 9 Issue: 2

Studies on Some Tellurium Containing Tetraaza Macrocyclic Complexes of Co(II), Mn(II) and Cu(II)


Nine new 10-membered tellurium containing Tetraaza macrocyclic complexes of Co(II), Mn(II) and Cu(II) have been synthesized by template condensation of diaryltellurium(IV) dichlorides, (aryl = p- methoxyphenyl, 3-methyl-4-hydroxyphenyl and p-hydroxyphenyl) with 1,2-diaminopropane and divalent metal chlorides in 2:2:1 molar ratio in dry methanol. The complexes have been characterized by elemental analyses, molar conductance, IR, proton NMR and electronic absorption spectroscopy. On the basis of these studies, a distorted octahedral structure for these complexes has been suggested and hence these complexes may be formulated as [MLCl2]. The metal complexes have also been evaluated for their antimicrobial activity and Mn(II) complexes are observed to possess substantial activity.