4.8 Article

Colorimetric and Ratiometric Red Fluorescent Chemosensor for Fluoride Ion Based on Diketopyrrolopyrrole

Journal

ORGANIC LETTERS
Volume 12, Issue 15, Pages 3320-3323

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol101081m

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Funding

  1. NSFC/China [20772031]
  2. National Basic Research 973 Program [2006CB806200]
  3. Central Universities [WJ0913001]
  4. Scientific Committee of Shanghai

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Three new diketopyrrolopyrrole (DPP) compounds are shown to be colorimetric and ratiometric red fluorescent sensors for fluoride anions with high sensitivity and selectivity. The recognition mechanism is attributed to the intermolecular proton transfer between a hydrogen atom on the lactam N positions of the DPP moiety and the fluoride anion.

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