Three tetraaryl imidazole derivatives 5a-5c bearing thiazole groups were synthesized in the presence of [Bmin]Br by one-pot reaction and their structures were fully characterized by the H NMR, IR, MS and elemental ana...Three tetraaryl imidazole derivatives 5a-5c bearing thiazole groups were synthesized in the presence of [Bmin]Br by one-pot reaction and their structures were fully characterized by the H NMR, IR, MS and elemental analysis. The results of UV-vis spectra and fluorescent spectra upon metal ions complexation show that compound 5a displays high selectivity and sensitivity for Cr3＋ ions. The complexation ratio of compound 5a and Cr3＋ is 1：1.展开更多
基金supported by the Science Fund for Young Scholars of Heilongjiang Province of China(No.QC2009C61)the Program for Young Teachers' Scientific Research at Qiqihar University(No.2012K-Z09)Qiqihar University Graduate Innovation Fund Grants(No.YJSCX2011-026X)
文摘Three tetraaryl imidazole derivatives 5a-5c bearing thiazole groups were synthesized in the presence of [Bmin]Br by one-pot reaction and their structures were fully characterized by the H NMR, IR, MS and elemental analysis. The results of UV-vis spectra and fluorescent spectra upon metal ions complexation show that compound 5a displays high selectivity and sensitivity for Cr3＋ ions. The complexation ratio of compound 5a and Cr3＋ is 1：1.
