【摘要】 本文报道了四氮杂大环四烯镍（Ⅱ）配合物[Ni（TIM）]X[TIM为2,3,9,10-四甲基-1,4,8,11-四氮杂环十四-1,3,8,10-四烯;X=（ClO₄）₂,ZnCl₄,（SCN）₂]催化BrO₃^-CH₂（CO₂H）₂-（CO₂H）₂-H₂SO₄体系的新型振荡化学反应.对该振荡反应体系进行了多方面的研究,并提出了简要的机理.更多还原

【Abstract】 It is reported in this paper that a nickel complex, [Ni（TIM）]X, with a macrocyclic ligand containing two conjugated N=C—C=N structural units can serve as the oscillating catalysts in the titled system, where TIM is 2, 3,9, 10-tetramethyl-1, 4, 8, 11-tetraazacyclotetradeca-l, 3, 8, 10-tetraene, X is ZnCl₄ or （C1O₄）₂ or （SCN）₂.A Characteristic green color of Ni （III） species appeared periodically in the solution and the periodical changes in the optical density were recorded. The concentration ranges of the main component in which the oscillations make observable were determined. Unlike the classical B-Z oscillating system, the initial concentrations of the components influence the parameters and the shapes of the oscillating waves. In the absence of organic substrate the catalyst itself can not serve as organic substrate to produce oscillations. Acrylamide, acetonitrile or H₂O₂ can inhibit the oscillating reaction.更多还原