A1/A2-Diamino-Substituted Pillar[5]arene-Based Acid–Base-Responsive Host–Guest System

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• 作者：Wei-Bo Hu ; Wen-Jing Hu ; Xiao-Li Zhao ; Yahu A. Liu ; Jiu-Sheng Li ; Biao Jiang ; Ke Wen
• 刊名：Journal of Organic Chemistry
• 出版年：2016
• 出版时间：May 6, 2016
• 年：2016
• 卷：81
• 期：9
• 页码：3877-3881
• 全文大小：417K
• 年卷期：0
• ISSN：1520-6904

文摘

An acid–base-responsive supramolecular host–guest system based on a planarly chiral A1/A2-diamino-substituted pillar[5]arene (1)/imidazolium ion recognition motif was created. The pillar[4]arene[1]diaminobenzene 1 can bring an electron-deficient imidazolium cation into its cylindrically shaped cavity under neutral or basic conditions and release it under acidic conditions.