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Molecules 2011, 16(8), 6844-6857; doi:10.3390/molecules16086844

Li+ Selective Podand-Type Fluoroionophore Based on a Diphenyl Sulfoxide Derivative Bearing Two Pyrene Groups

1,* , 2
1 Department of Chemistry, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan 2 Department of Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
* Author to whom correspondence should be addressed.
Received: 11 July 2011 / Revised: 28 July 2011 / Accepted: 8 August 2011 / Published: 10 August 2011
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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+.
Keywords: fluoroionophore; podand; pyrene; fluorescence; lithium ion fluoroionophore; podand; pyrene; fluorescence; lithium ion
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Nishimura, Y.; Takemura, T.; Arai, S. Li+ Selective Podand-Type Fluoroionophore Based on a Diphenyl Sulfoxide Derivative Bearing Two Pyrene Groups. Molecules 2011, 16, 6844-6857.

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