CAJ | 학술논문

合成了一系列具有C3t对称性、下缘分别利用Se,Te和S杂原子连接蒽环发光基团的杯[6]芳烃衍生物(1～3).通过紫外-可见光谱和荧光光谱研究了它们对各种碱金属离子和过渡态金属离子的化学传感识别行为.结果表明,含有Se杂原子的主体1在CH2Cl2溶液中对Hg2+表现出了良好的选择性.通过肉眼可直接观察到溶液颜色由无色变为黄色.通过荧光光谱的连续滴定实验,主体1-Hg2+体系的稳定常数可达(1.12±0.08)×105 L/mol.因此,化合物1有望成为一种用于检测Hg2+的新型化学传感器.
합성료일계렬구유C3t대칭성、하연분별이용Se,Te화S잡원자련접은배발광기단적배[6]방경연생물(1～3).통과자외-가견광보화형광광보연구료타문대각충감금속리자화과도태금속리자적화학전감식별행위.결과표명,함유Se잡원자적주체1재CH2Cl2용액중대Hg2+표현출료량호적선택성.통과육안가직접관찰도용액안색유무색변위황색.통과형광광보적련속적정실험,주체1-Hg2+체계적은정상수가체(1.12±0.08)×105 L/mol.인차,화합물1유망성위일충용우검측Hg2+적신형화학전감기.
Three new fluorescent probes based on C3t symmetric calix[6]arene functionalized with three anthracylselenoalkoxy( 1 ),anthracyltellaroalkoxy ( 2 ) or anthracylthiaalkoxy ( 3 ) groups were synthesized,respectively.The photophysical behavior and the binding ability of compounds 1-3 with some alkaline metal ions and transition metal ions were investigated by fluorescence spectrometry.Receptor 1 exhibits highly selective fluorescence quenching behavior towards Hg2+ in CH2Cl2 with Ka =( 1.12 ± 0.08 ) × 105 L/mol.In addition,the color change of complex 1-Hg2+ from colorless to light yellow allows naked-eye detection of mercury( Ⅱ ).