高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (9): 1706.

• 研究论文 • 上一篇    下一篇

[Ru(phen)2(H2biim)](PF6)2配合物与阴离子的选择性作用

崔英1,2, 叶保辉2, 牛艳丽2, 钟永瑞2   

  1. 1. 广东食品药品职业学院药学系, 广州 510520;
    2. 中山大学化学与化学工程学院, 广州 510275
  • 收稿日期:2009-10-10 出版日期:2010-09-10 发布日期:2010-09-10
  • 通讯作者: 崔英, 女, 博士, 讲师, 主要从事功能配合物与超分子化学研究. E-mail: cuiy@gdyzy.edu.cn
  • 基金资助:

    国家自然科学基金(批准号: 20771104, 20371052)和广东省医学科学技术研究基金(批准号: B2009040)资助.

Selective Interaction Based on Complex [Ru(phen)2(H2biim)](PF6)2 and Anions

CUI Ying1,2*, YE Bao-Hui2, NIU Yan-Li2, ZHONG Yong-Rui2   

  1. 1. Department of Pharmacy, Guangdong Food and Drug Vocational College, Guangzhou 510520, China;
    2. School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
  • Received:2009-10-10 Online:2010-09-10 Published:2010-09-10
  • Contact: CUI Ying. E-mail: cuiy@gdyzy.edu.cn
  • Supported by:

    国家自然科学基金(批准号: 20771104, 20371052)和广东省医学科学技术研究基金(批准号: B2009040)资助.

摘要: 研究了[Ru(phen)2(H2biim)](PF6)2(1)与各种阴离子之间的选择性作用, 发现配合物1与Cl-, Br-, I-, NO3-, HSO4-和H2PO4-阴离子之间存在氢键作用. OAc-阴离子与配合物1作用, 由于强的氢键作用使H2biim上的一个H转移到OAc-上, 使配合物1脱去一个质子, 形成{[Ru(phen)2(H2biim)](OAc)}结合体, 溶液颜色由黄色变为橙棕色. 由于F-能形成非常稳定的HF2-, 配合物1逐步脱去2个质子, 溶液颜色由黄色变为紫色, 因此可作为裸眼检测阴离子的识别剂.

关键词: 阴离子识别, 氢键, 质子转移

Abstract: A new anion sensor[Ru(phen)2(H2biim)](PF6)2(1) has been developed, where the Ru/(Ⅱ)-phen moiety acts as a chromophore and H2biim ligand as an anion receptor via the formation of hydrogen bonds or deprotonation. A systematic investigation shows that complex 1 is an eligible sensor for various anions. It donates hydrogen bonds to the Cl-, Br-, I-, NO3-, HSO4- and H2PO4- anions, and further actualize mono proton transfer to OAc- anion via the formation of a robust, cyclic hydrogen bonding system and turns the color from yellow to orange brown. In the case of F-, stepwise deprotonation of the two N—H fragments occurs due to the formation of a highly stable HF2- anion, resulting in color change from yellow to purple, which can be distinguished by naked-eye.

Key words: Anion-selected recognition, Hydrogen bonding, Proton transfer

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