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  • Chem Sci Trans., 2017, 6(3),  pp 448-456  

    DOI:10.7598/cst2017.1394

    Research Article

    New Aryltellurium(IV) Complexes Containing NO Donor Schiff Base Derived from Vanillin and 4-Aminoantipyrine

  • DEEPAK, SONU CHAUHAN, K. K. VERMA and SAPANA GARG*
  • Department of Chemistry, Maharshi Dayanand University, Rohtak-124001, India
  • Abstract

    A novel bidentate Schiff base derived from vanillin and 4-aminoantipyrine, form 1:1 complexes with aryltellurium(IV) trichlorides and diaryltellurium(IV) dichlorides of the type VL-AAP.ArTeCl3 and VL-AAP.Ar2TeCl2 (where Ar = p-methoxyphenyl, p-ethoxyphenyl, p-hydroxy-phenyl and 3-methyl-4-hydroxyphenyl and VL-AAP =Schiff base). These complexes have been characterized by elemental analyses, molar conductance, IR and 1H NMR spectroscopy. On the basis of these studies the donor sites have been identified as carbonyl oxygen of the pyrazolone ring and nitrogen atom of azomethine group (CH=N) to give five membered chelate ring with tellurium centre having Ψ-octahedral geometry. The synthesized ligand and its aryltellurium complexes were screened for their antimicrobial activity against various bacterial and fungal strains.

    Keywords

    Vanillin, 4-Aminoantipyrine, Aryltellurium(IV), Diaryltellurium(IV), Antimicrobial activity

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