Molecules p. 6844 - 6857 (2011)
Update date:2022-09-26
Topics:
Nishimura, Yukihiro
Takemura, Tetsuo
Arai, Sadao
New podand-type fluoroionophores having two pyrene moieties: 2,2′-bis(1-pyrenylacetyloxy)diphenyl sulfide (3), 2,2-bis(1- pyrenylacetyloxy)diphenyl sulfoxide (4), and 2,2-bis(1-pyrenylacetyloxy) diphenyl sulfone (5), have been synthesized by connecting two 1-pyrenecarbonylmethyl groups with the two hydroxy groups of 2,2-dihydroxydiphenyl sulfide, sulfoxide, and sulfone, respectively. Their complexation behavior toward alkali metal ions was examined by fluorescence spectroscopy. Among these fluoroionophores, compound 4, having a sulfinyl group, showed high selectivity toward Li+.
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