Synthesis, Characterization, and Antimicrobial Activities of New Organic-Inorganic Hybird Compound Based on Polyoxovanadate and Metal-Schiff-Base Complex

Abstract:

The reaction of polyoxovanadate and metal-Schiff base complex resulted in the formation of a new organic-inorganic hybrid compounds with the formula Na₂[Mn (Salen)(H₂O)₂]₄[V₁₀O₂₈]·9H₂O (1) (salen=N,N’-ethylene-bis (salicylideneiminate). Compound 1 have been structurally characterized by IR, UV-vis spectroscopy and single crystal X-ray diffraction. Crystal data for 1: Triclinic, P-1, a=14.1123(3)Å, b=13.9397(7) Å, c=14.2564(5)Å, α=65.4160(9)°, β=81.3920(6)°, γ=89.5740(7) °. Structural analyses revealed that compound 1 represent a rare example of isopolyoxovanadate based metal-Schiff-base complexes, moreover, this is the first POM based metal Schiff-base complex isolated in aqueous solution medium, which may also propose a green chemical way to the synthesis of POM based hybrid. Compare with isopolyoxovanadate precusor Na₆ [V₁₀O₂₈], compound 1 exhibit higher antimicrobial activities against human cancer cell, the phenomenon can be explained by the synergetic effect between POM and Schiff-base complex.

• Periodical: Advanced Materials Research (Volume 1105)
• Pages: 215-219
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1105.215
• Online since: May 2015
• Authors: Qiong Wu, Xiao Lin Ji, Lu Jing, Hong Ping Ju*, Hai Wang
• Keywords: Antimicrobial Activities, Metal-Schiff-Base, Organic-Inorganic Hybirds, Polyoxometalates

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