A dinuclear copper complex [Cu2LCl2]（ClO4）2 （L = 2,2＇-（piperazine-1,4-diyl）bis- （N,N-bis（pyridine-2-ylmethyl）ethan-1-amine）） has been synthesized and structurally characterized. It crystallizes in triclinic...A dinuclear copper complex [Cu2LCl2]（ClO4）2 （L = 2,2＇-（piperazine-1,4-diyl）bis- （N,N-bis（pyridine-2-ylmethyl）ethan-1-amine）） has been synthesized and structurally characterized. It crystallizes in triclinic, space group Pī with α = 8.5707（9）, b = 10.5083（12）, c = 11.4878（13） A, α = 76.197（2）, β = 88.271（2）, γ = 87.855（2）o, V = 1003.81（19） A3, Z = 1, F（000） = 478, Dc = 1.544 Mg/m3, Mr = 933.60, μ = 1.383 mm^-1, the final R = 0.0669 and wR = 0.1486 for 3675 observed reflections with I 〉 2σ（I）. Its catechol oxidase mimic activity was studied spectroscopically by using 3,5-di-tert-butylcatechol （3,5-DTBC） as the substrate. The results showed that the kinetics of catechol catalyzed by the complex accorded with the Michaelis-Mentent equation, and the catechol oxidase catalytic activity of the complex increased with increasing the pH values.展开更多
基金financially supported by the National Natural Science Foundation of China(51173060)
文摘A dinuclear copper complex [Cu2LCl2]（ClO4）2 （L = 2,2＇-（piperazine-1,4-diyl）bis- （N,N-bis（pyridine-2-ylmethyl）ethan-1-amine）） has been synthesized and structurally characterized. It crystallizes in triclinic, space group Pī with α = 8.5707（9）, b = 10.5083（12）, c = 11.4878（13） A, α = 76.197（2）, β = 88.271（2）, γ = 87.855（2）o, V = 1003.81（19） A3, Z = 1, F（000） = 478, Dc = 1.544 Mg/m3, Mr = 933.60, μ = 1.383 mm^-1, the final R = 0.0669 and wR = 0.1486 for 3675 observed reflections with I 〉 2σ（I）. Its catechol oxidase mimic activity was studied spectroscopically by using 3,5-di-tert-butylcatechol （3,5-DTBC） as the substrate. The results showed that the kinetics of catechol catalyzed by the complex accorded with the Michaelis-Mentent equation, and the catechol oxidase catalytic activity of the complex increased with increasing the pH values.
