Studies On Copper(ii) Complex Derived From Thiosemicarbazide And Ninhydrin

Anew ON donor ligand was synthesized by reacting ninhydrin with thiosemicarbazide.rnMS, NMR (1H, 13C, DEPT, HSQC, and HMBC) and UV-VIS spectra proved thernformation of a new heterocyclic compound initially due to 1:1condensation betweenrnninhydrine and thiosemicarbazide and subsequently due to hydration /tautomerizationrnand cyclization of the thiosemicarbazone. The ligand formed a pale green Cu(II)rncomplex in ethanoic medium.The complex was characterized by analytical, conductance,rnspectral (IR,UV-Vis) and magnetic susceptibility data . The data suggested the formationrnof a 1:2 (Cu(II) : ligand) complex with the formula [CuL2]Cl2 in which the ligandrnbehaved as a neutral ON donor involving exocyclic carbonyl oxygen and heterocyclicrnring nitrogen as coordinating centers. Square planer geometry was proposed for therncomplex

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