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Sulfide-selective chemosignaling by a Cu2+ complex of dipicolylamine appended fluorescein

Myung Gil Choi1, Sunyoung Cha, Haekyung Lee

  • 1Department of Chemistry, Chung-Ang University, Seoul 156-756, Korea.

Chemical Communications (Cambridge, England)
|December 22, 2009
PubMed

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Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.