Synthesis, catalytic and biological activity of novel dinuclear copper complex with Schiff base

A novel dinuclear copper complex with tetraglycol aldehyde-phenylalanine Schiff base has been synthesized. It was characterized and formulated as [Cu2L(NO3)]NO3 by elemental analysis, magnetic susceptibility, TG-DTA, IR, EPR and 1H NMR spectra. The obtained complex can be used as a good catalyst for...

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Bibliographic Details
Published in:Science China. Chemistry 2006-06, Vol.49 (3), p.225-229
Main Authors: Wei, Danyi, Li, Ning, Lu, Gui, Yao, Kemin
Format: Article
Language:English
Subjects:
Aldehydes
Biological activity
Catalysts
Chemical analysis
Chemical synthesis
Copper compounds
Differential thermal analysis
Imines
Magnetic permeability
NMR
Nuclear magnetic resonance
Phenylalanine
Polymerization
Polymethyl methacrylate
Scavenging
Syndiotacticity
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Summary:A novel dinuclear copper complex with tetraglycol aldehyde-phenylalanine Schiff base has been synthesized. It was characterized and formulated as [Cu2L(NO3)]NO3 by elemental analysis, magnetic susceptibility, TG-DTA, IR, EPR and 1H NMR spectra. The obtained complex can be used as a good catalyst for the polymerization of methyl methacrylate (MMA). The optimum polymerization conditions are: MMA/catalyst = 500 (molar ratio); [catalyst] = 7.5×10−3 mol·L−1; dioxane as solvent; 80°C; 6 h. Polymethyl methacrylate (PMMA) with 80% conversion, 7.2×105 viscosity-average molecular weight and 60.5% syndiotacticity was obtained. This complex has also been shown to play an important role in scavenging .
ISSN:1006-9291
1674-7291
1862-2771
1869-1870
DOI:10.1007/s11426-006-0225-8