Journal
CHEMICAL PAPERS
Volume 65, Issue 4, Pages 553-558Publisher
VERSITA
DOI: 10.2478/s11696-011-0033-2
Keywords
anion receptor; BODIPY; calix[4]pyrrole; fluorescence
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Funding
- National Natural Science Foundation of China [20972170]
- State Key Laboratory of Oxo Synthesis & Selective Oxidation [OSSO2008kjk6]
- Natural Science Foundation of Gansu province [096RJ2A033]
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A novel dicalix[4] pyrrolyl-substituted 4,4-difluoro-4-bora-3a, 4a-diaza-s-indacene (BODIPY) dye I with an absorption peak at approximately 670 nm and an emission peak at about 690 nm was prepared. As an anion receptor, I displayed a red shift in absorption spectra and fluorescence quenching in varying degrees in the presence of F(-), AcO(-), H(2)PO(4)(-), or Cl(-). Compared with the parent calix[4] pyrrole, a representative anion receptor, I exhibited a stronger affinity to these anions due to the formation of a sandwich complex through multiple hydrogen-bonding interactions. (C) 2011 Institute of Chemistry, Slovak Academy of Sciences
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