Near IR Emitting Red-Shifting Ratiometric Fluorophores Based on Borondipyrromethene

Yuki Hiruta, Hikaru Koiso, Hitoshi Ozawa, Hiroyasu Sato, Kensaku Hamada, Satoshi Yabushita, Daniel Citterio, Koji Suzuki

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)


Two distyryl-BODIPY-based NIR red-shifting ratiometric fluorescent probes are reported: KBHR-1 for pH and KBAHgR-1 for Ag+ and Hg2+. KBHR-1 showed a red-shifting ratiometric response to pH in the NIR region. The identical fluorophore core structure applied to KBAHgR-1 with a different recognition moiety resulted in a ratiometric response to Ag+ and Hg2+ in the NIR region.

Original languageEnglish
Pages (from-to)3022-3025
Number of pages4
JournalOrganic Letters
Issue number12
Publication statusPublished - 2015 Jun 19

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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