Ratiometric Sensing of Hg2+ Based on the Calix[4]arene of Partial Cone Conformation Possessing a Dansyl Moiety

被引:159
作者
Dhir, Abhimanew [1 ]
Bhalla, Vandana [1 ]
Kumar, Manoj [1 ]
机构
[1] Guru Nanak Dev Univ, Dept Chem, Amritsar 143005, Punjab, India
关键词
D O I
10.1021/ol801984y
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new fluorescent chemosensor based on the calix[4]arene of partial cone conformation possessing a dansyl moiety has been synthesized. The chemosensor demonstrates selective optical recognition of Hg2+ and Cu2+ in two contrasting modes. The receptor exhibited ratiometric sensing of Hg2+ and "ON-OFF" type of fluorescence behavior in the presence of Cu2+. The compound behaves as a fluorescent molecular switch upon chemical inputs of Hg2+ and Cu2+ ions.
引用
收藏
页码:4891 / 4894
页数:4
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