Preparation of phosphorylated bis-pyrazolyl–pyridine nonadendate ligands and their terbium complexes. Part 2
作者:Raymond Ziessel、Alexandra Sutter、Matthieu Starck
DOI:10.1016/j.tetlet.2012.04.106
日期:2012.7
core and various deprotonable chelating pockets based on mixed carboxylate/phosphate or phosphate anionic functions and a central flexible pendent arm for subsequent grafting to biomaterials. For some of these ligands, the sequence of reactions incorporates an additional step introducing a substituted diethynylphenyl residue to increase significantly their solubility in polar organic solvents. The terbium(III)
基于中心的双吡唑基-吡啶核和基于混合的羧酸根/磷酸根或磷酸根阴离子功能的各种可去质子的螯合口袋,以及用于随后接枝到生物材料的中心柔性侧臂,构建了一系列配体。对于这些配体中的一些,反应顺序包括一个额外的步骤,该步骤引入了取代的二乙炔基苯基残基,以显着提高其在极性有机溶剂中的溶解度。其中一些配体的some(III)配合物显示出出色的光谱特性,在水中的寿命为2.7至3.2 ms,量子产率为16%至26%。