N-Bromosuccinimide-mediated dimerization of unsymmetrical indodicarbocyanine dyes

Sergey Miltsov, Mikhail Goikhman, Alexander Yakimansky, Alexander Misharev, Mar Puyol, Julian Alonso

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2 Citations (Scopus)


The bromination of unsymmetrical indodicarbocyanine dyes bearing electron-donating groups (–NHCOCH3, –OH) on the aryl rings using N-bromosuccinimide produces dimeric molecules together with the corresponding meso-brominated dyes. The direction of the process depends on the reaction conditions. A possible reaction mechanism is also discussed.
Original languageEnglish
Article number151005
Number of pages4
JournalTetrahedron Letters
Issue number35
Publication statusPublished - 29 Aug 2019


  • Bromination
  • Cyanine dyes
  • Dimerization
  • Mechanism


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