Fluorescence photoactivation by ligand exchange around the boron center of a BODIPY chromophore

Sherif Shaban Ragab, Subramani Swaminathan, Erhan Deniz, Burjor Captain, Françisco M. Raymo

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Chelation of the boron center of the borondipyrromethene (BODIPY) platform by a catecholate ligand results in effective fluorescence suppression. Electron transfer from the chelating unit to the adjacent chromophore upon excitation is responsible for fluorescence quenching. Under the influence of a photoacid generator, the catecholate chelator can be exchanged with a pair of methoxide ligands. This photoinduced transformation prevents electron transfer and efficiently activates the fluorescence of the BODIPY chromophore.

Original languageEnglish (US)
Pages (from-to)3154-3157
Number of pages4
JournalOrganic letters
Volume15
Issue number12
DOIs
StatePublished - Jun 21 2013

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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