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Proton-controllable fluorescent switch based on interconversion of polynuclear and dinuclear copper(II) complexes
Hsueh-Ju Liu1, Yu-Hsin Hung, Chang-Chuan Chou
1Department of Chemistry, National Taiwan Normal University, Taipei, 116, Taiwan, R.O.C.
Chemical Communications (Cambridge, England)
|January 26, 2007
Abstract:
The first reversible interconversion process between a one-strand polymeric copper(II) complex {[Cu2(L1)2(ClO4)2](ClO4)2}n (1) and a dicopper(II) helicate [Cu2(L1-2H)2] (2), proceeding via a deprotonation-protonation process, can transduce fluorescence and function as a fluorescent switch simply by introducing a one fiftieth equivalent of coumarine 343 anion, a fluorophore.
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