Peroxo Complexes of Molybdenum(Ⅵ) Containing Mannich Base Ligands

The molybdenum(Ⅵ)-peroxo complexes containing Mannich base ligands having a formula as [MoO(O2)2(L-L)] [where L-L=morpholinobenzyl benzamide (MBB), piperidinobenzyl benzamide (PBB), morpholinobenzyl urea (MBU), piperidinobenzyl urea (PBU), morpholinobenzyl thiourea (MBTU), piperdinobenzyl thiourea (PBTU)] have been synthesized and characterized by physico-chemical, electrochemical techniques and TGA/DTA studies. The complexes have been prepared by stirring ammonium molybdate and excess of 30% aqueous-HzO2 and then treatment with ethanolic solution of the ligand. Studies revealed that these complexes were non-electrolytes and diamagnetic in nature. The ligands are bound to metal in a bidentate mode through carbonyl oxygen/thiocarbonyl sulphur and the ring nitrogen. The cyclic voitammograms of the complexes show two quasi-reversible steps involv-ing complexes. The complexes have also been tested for antibacterial activity against Salmonella and Kleibsella. The antibacterial study of the ligands and complexes indicate that the complexes exhibit higher activity than the free figands.

作 者： SHARMA Mohit SALEEM Mohd PATHANIA M S SHEIKH H N KALSOTRA B L   作者單位： Department of Chemistry,University of Jammu,Jammu 180006,India  刊 名： 中國化學(xué)（英文版）  SCI 英文刊名： CHINESE JOURNAL OF CHEMISTRY  年，卷(期)： 2009 27(2)  分類號(hào)： O6  關(guān)鍵詞： peroxo complex   Mannich base   cyclic voltametery   Salmonella   Kleibsella   antibacterial activity  

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