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A rhodamine-cyclen conjugate as a highly sensitive and selective fluorescent chemosensor for Hg(II)
Yasuhiro Shiraishi1, Shigehiro Sumiya, Yoshiko Kohno
1Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan. shiraish@cheng.es.osaka-u.ac.jp
The Journal of Organic Chemistry
|October 3, 2008
Abstract:
A rhodamine-cyclen conjugate (1) behaves as a highly sensitive and selective fluorescent chemosensor for Hg(2+). The high emission selectivity is due to the formation of 1-Hg(2+) 1:2 complex leading to spirocycle opening of 1.

