Treatment of the sodium complexes with europium(III) chloride gave the corresponding EuIII cryptates. The structural and spectral properties of these compounds are described. The EuIII complexes present characteristic 1H-NMR chemical-shift features. Their luminescence properties are described.
大双环
配体1-6的钠盐盐酸盐已通过直接大双环化或逐步方法合成。它们并入了2,2′-联
噻唑,2,2′-
联咪唑,2.2′-联
嘧啶以及2,2′-联
吡啶单元。用
氯化euro(III)处理
钠络合物得到相应的Eu III隐窝。描述了这些化合物的结构和光谱性质。Eu III配合物具有特征性的1 H-NMR
化学位移特征。描述了它们的发光特性。