A Triple-Probe Channel NO2S2-Macrocycle: Synthesis, Sensing Characteristics and Crystal Structure of Mercury(II) Nitrate Complex

作者：Lee Ji Eun; Choi Kyu Seong; Seo Moo Lyong; Lee Shim Sung^*

来源：Bulletin of the Korean Chemical Society, 2010, 31(7): 2031-2035.

DOI：10.5012/bkcs.2010.31.7.2031

• NO2S2-Macrocycle
• Tricyanovinyl-group
• Triple-probe channel
• Hg2+-selectivity
• Crystal structure

A triple-probe channel type chemosensor based on an NO2S2-macrocycle functionalized with phenyltricyanovinyl group was synthesized and its sensing characteristics were examined. The pink-red solution of L changed selectively to pale yellow upon addition of Hg2+. The selective fluorometric response of L to all the tested metal ions was studied. The results showed that a large enhancement of the fluorescence of L was observed only in the case of Hg2+. In addition, L showed large anodic shift (similar to 0.3 V) for the addition of excess Hg2+. Through above three observed results by the different techniques, we confirmed that the proposed chemosensor acts as the multiple-probe channel sensing material. The crystal structure of mercury(II) nitrate complexs of L which shows a 1-D polymer network with a formula [Hg-2(L)(2)(NO3)(2)(mu-NO3)(2)](n) was also reported.

• 出版日期2010-7-20