Synthesis of 7-Aminocoumarin by Buchwald-hartwig cross coupling for specific protein labeling in living cells

  • Xin Jin
  • , Chayasith Uttamapinant
  • , Alice Y. Ting*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

PRIME time: We report the synthesis of a pH-insensitive blue fluorophore, 7-aminocoumarin, by using palladium- catalyzed Buchwald-Hartwig cross coupling. 7-Aminocoumarin can be used to tag recombinant proteins on the cell surface and inside living cells through PRIME (probe incorporation mediated by enzymes), and unlike 7-hydroxycoumarin, can be visualized in acidic organelles such as endosomes.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalChemBioChem
Volume12
Issue number1
DOIs
StatePublished - Jan 2011
Externally publishedYes

Keywords

  • Cell imaging
  • Cross-coupling
  • Enzyme engineering
  • Fluorescent probes
  • Palladium

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