摘要:
The fluorine derivatives of calix[4]arene,C64H52F12O4 (1),C60H52F4O4 (2),C68H8F24O4 (3),were synthesized,and their cone conformations were proved by single crystal X-ray diffraction and 1H NMR spectroscopy.Their recognition behaviors were evaluated towards a variety of metal ions in mixed solvent.The UV-Vis absorption and fluorescence spectroscopy were measured and confirmed that copper ions resulted in fluorescence quenching of compounds 1~3,while other ions such as Na+,K+,Cs+,Mg2+,Ca2+,Ba2+,Fe3+,Cd2+,Mn2+,Co2+,Ni2+,Zn2+ exerted hardly significant impact on the UV-Vis absorption and fluorescence intensity of 1~3,exhibiting high selectivity of compounds 1~3 to copper ions.%合成了具有锥形构象的含氟功能基团的杯芳烃衍生物1~3,并用单晶X射线衍射和核磁共振证实了其锥形构象.在混合溶剂中,研究了杯芳烃衍生物1~3对多种金属离子的识别行为.测试了化合物1~3的紫外-可见吸收光谱和荧光发射光谱,结果显示铜离子对化合物1~3具有明显的荧光猝灭特性,而其它金属离子(如Na+,K+,Cs+,Mg2+,Ca2+,Ba2+,Fe3+,Cd2+,Mn2+,Co2+,Ni2+,Zn2+)对化合物1~3的紫外-可见吸收光谱和荧光发射强度无显著的影响,表明化合物1~3对铜离子的识别具有高选择性.