Synthesis, Characterization and Biologycal Activity of Oxovanadium(IV), Thorium(IV) and Dioxouranium(VI) Complexes of N-(1-pipridinobenzyl)urea and N,N'-bis(N-morpholinobenzyl)urea

G. Venkatesa Prabhu† and A.N. Mohamed Kasim*

Department of Chemistry, Jamal Mohamed College, Tiruchirapalli-620 020, India


The new complexes of oxovanadium(IV), thorium(IV) and
dioxouranium(VI) with N-(1-piperidinobenzyl) urea (PBU) and
N,N'-bis(N-morpholinobenzyl) urea (MBU) have been synthesised
and characterised by elemental analysis, molar conductance, magnetic
susceptibility, electronic, IR, 1H NMR and thermal studies.
From the IR and PMR spectral data, the ligands, are suggested to
behave as O, N donors. PBU coordinates through N atom of
piperidine ring and O atom of urea fragment while MBU acts as a
tridentate ligand coordinating through N atoms of two morpholine
rings and O atom of urea moiety. The complexes have also been
screened in vitro for antibacterial activities.


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  • Asian J. Chem. /
  •  2000 /
  •  12(2) /
  •  pp 379-384