Azobenzene coupled chromogenic receptors for the selective detection of copper(II) and its application as a chemosensor kit

作者：Lee Soo Jin; Lee Shim Sung; Jeong Il Yun; Lee Jin Yong; Jung Jong Hwa^*

来源：Tetrahedron Letters, 2007, 48(3): 393-396.

DOI：10.1016/j.tetlet.2006.11.066

• chromogenic
• selective detection
• copper(II)
• chemosensor

Azobenzene-based receptors 1-4 as colorimetric sensing materials were synthesized and their sensing properties were examined. In solution, the proposed sensing materials give rise to a large cation-induced hypochromic shift for Cu2+ resulting in a change from red to pale-yellow, whereas no significant color change was observed upon addition of other selected metal ions. The use of the silica gel plate modified with immobilization of receptor 4 to detect Cu2+ was also reported.

• 出版日期2007-1-15