Benzimidazolium salts with 1,4-dihydro-naphtho[1,8-ef]-1,4-diazepine: Synthesis, structure and recognition for copper(II) ion

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• 作者：Qingxiang Liu ; ^{tjnulqx@163.com} ; Ran Huo ; Dengche Wei ; Xiaojun Zhao ; Zhixiang Zhao ; Kangqing Cai
• 关键词：1 ; 4-Dihydro-naphtho[1 ; 8-ef]-1 ; 4-diazepine ; Benzimidazolium salt ; Fluorescence ; Copper(II) ion
• 刊名：Dyes and Pigments
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：139
• 期：Complete
• 页码：1-6
• 全文大小：861 K
• 卷排序：139

文摘

Two new benzimidazolium salts 1 and 2 with large conjugated system were prepared. 2 was turned out to be a highly selective and sensitive chemosensor for Cu2+. 2 can distinguish Cu2+ with other cations via naked eyes or fluorescence change.