Dioxouranium complexes with pentadentate s-triazine Schiff base ligands: Synthesis, crystal structure and optical properties
作者:Lubomír Pavelek、Vít Ladányi、Marek Nečas、Silvie Vallová、Kamil Wichterle
DOI:10.1016/j.poly.2016.01.014
日期:2016.3
o-vanillin ligands 2,4-Bis(2-hydroxybenzylidenehydrazino)-6-methoxy-s-triazin (L1) and 2,4-Bis(2-hydroxy-3-methoxybenzylidenehydrazino)-6-methoxy-s-triazin (L2) were obtained. Using the reaction of 2,4-dihydrazino-(R)-s-triazine (R – amino (DHAT)) with o-vanillin ligand 2,4-Bis(2-hydroxy-3-methoxybenzylidenehydrazino)-6-amino-s-triazine (L3) was obtained. By the reactions of the prepared ligands, derivatives
使用的2,4- dihydrazino-(R)的反应中- š嗪(R -甲氧基(DHMT))与水杨醛和ö -vanillin配体2,4-双(2- hydroxybenzylidenehydrazino)-6-甲氧基小号三嗪(L1)和2,4-双(2-羟基-3- methoxybenzylidenehydrazino)-6-甲氧基小号-三嗪(L2)获得。使用的2,4- dihydrazino-(R)的反应- š嗪(R -氨基(DHAT)),与ö -vanillin配体2,4-二(2-羟基-3- methoxybenzylidenehydrazino)-6-氨基-小号得到-三嗪(L3)。通过所制备的配体的反应,肼基衍生物š 嗪,用乙酸双氧铀,硝酸,制备三种新的复合物。X射线衍射表明,UO22 +离子处于五边形双锥体配位环境中。UO22 +离子的两个氧原子占据轴向位置,三个氮原子和两个氧原子构成赤