非对称取代卟啉钴(Ⅱ)轴向配位反应的热力学研究

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合成了非对称对位取代卟啉钴(Ⅱ)(5-(4-乙酰胺基苯基)-10,15,20-三(4-甲基苯基)卟啉钴(Ⅱ))用分光光度法测量了该体系与一系列含咪唑基配体(2-甲基咪唑(2-MeIm),N-甲基咪唑(N-MeIm)2-乙基-4-甲基咪唑(EMIm)克霉唑(GMZ)轴向配位反应的平衡常数,研究结果表明,配体的尺寸及取代基的位置将向轴向配合物的稳定性产物影响,其平衡常数呈现KGMZ〉KN-MeIm〉K
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