<i>Carbonic Anhydrase</i> Inspired <i>Phosphatase</i> Model Complexes Derived from the Tripodal Ligand Tris(hydroxy-2-benzimidazolyl)amine: The Hydrolysis of <i>p</i>-nitrophenyl Acetate
作者:Mohamed M. Ibrahim、Hatem. A. Eissa、Hosny Y. El-Baradie、Gamal E. Kamel
DOI:10.1080/15533174.2010.522651
日期:2010.11.30
potential catalysts, especially the nature of metal ions on the hydrolysis of p-nitrophenyl acetate (NA), has also been investigated. The results indicate that copper(II) complex 3 is the most active hydrolytic catalyst among complexes 1–3, presumably a reflection of the effective electron-withdrawing as well as the greatest electrophilicity of cobalt(II) ion.
水溶性配体三(羟基-2-苯并咪唑基)胺NTB OH用于制备一系列类型为[NTB OH -M(OH 2)] 2+ 1-3的水族过渡金属配合物及其羟基衍生物。和[NTB OH -M(OH)] + 4-6(M 2+ = Zn 2 +,Cu 2+和Co 2+]。使用FT-IR光谱,元素分析和热分析研究了这些模型配合物的固态研究。还进行了溶液研究以研究配体对金属离子的配位行为以及配位水分子的质子化/去质子化的证据。还研究了这些模型配合物作为潜在催化剂的影响,尤其是金属离子的性质对乙酸对硝基苯酯(NA)水解的影响。结果表明,铜(II)配合物3是配合物1-3中活性最高的水解催化剂,大概反映了有效的电子吸收以及钴(II)离子的最大亲电子性。