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Citation: Wang Changfeng, Yang Guangming, Xu Jingying, Zhang Ruohua, Liao Daizheng. Syntheses and Properties of Copper Complexes of Symmetrical Triazole Schiff Bases[J]. Chinese Journal of Applied Chemistry, ;1997, 14(3): 29-32. shu

Syntheses and Properties of Copper Complexes of Symmetrical Triazole Schiff Bases

1.
College of Chemistry, Nankai University, Tianjin 300071

Received Date: 22 July 1996
Available Online: 17 February 1997

Four copper(Ⅱ) complexes of Schiff bases of symmetical triazole and salicylaldehyde were synthesized, namely[Cu(L₁)Cl₂](Ⅰ) and trinuclear complexes[Cu₃(L₂~L₄)₂Cl₄]·nH₂O(Ⅱ~Ⅳ) where L₁, L₂, L₃ L₄ are Schiff bases of 4-amino-1,2,4-triazole, 4-amino-3,5-dimethyl-1,2,4-triazole, 4-animo-3,5-diethyl-1,2,4-triazole and 4-amino-3,5-dihydroxymethyl-1,2,4-triazole, respectively. The complexes were characterized by elemental analysis, conductivity, IR spectrum, thermoanalysis, electronic spectrum, ESR and susceptibility measurements. The complexes have been proposed to have distorted square configuration. The results of variable temperature magnetic susceptibility of complex(Ⅱ) indicated the weak antiferromagnetic spin exchange interaction between the copper(Ⅱ) ions.J=-18.9 cm^-1,g=2.08, F=2.7×10^-3. The biological activity tests of the complexes showed that they are capable of inhibiting B cell.
- trinuclear copper complex,
- antiferromagnetic interaction,
- biological activity
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