Monatshefte fur Chemie p. 91 - 99 (2012)
Update date:2022-07-29
Topics:
Singh, Balgar
Mahajan, Simpy
Sheikh, Haq N.
Sharma, Mohita
Kalsotra, Bansi L.
Uranium(VI) peroxo complexes of composition [UO(O2)L-L(NO 3)2], where L-L are the Mannich base ligands morpholinobenzyl urea, piperidinobenzyl urea, morpholinobenzyl thiourea, piperidinobenzyl thiourea, mor-pholinomethyl thiourea, piperidinomethyl thiourea, or morpholinomethyl urea, are reported. The synthesized complexes were characterized by use of a variety of physi-cochemical techniques, viz. elemental analysis, molar conductivity, magnetic susceptibility measurements, IR, electronic, mass, H NMR, and C NMR spectroscopy, and TGA/DTA studies. These studies revealed that the complexes are both non-electrolytic and diamagnetic in nature. The ligands are bound to the metal in a bidentate mode through carbonyl oxygen or thiocarbonyl sulfur and the ring nitrogen. Mass spectra confirm the molecular mass of the complexes. The antifungal activity of the complexes is greater than that of the corresponding free ligands.
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