N-Bromosuccinimide-mediated dimerization of unsymmetrical indodicarbocyanine dyes

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

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Abstract

© 2019 Elsevier Ltd 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
JournalTetrahedron Letters
Volume60
DOIs
Publication statusPublished - 29 Aug 2019

Keywords

  • Bromination
  • Cyanine dyes
  • Dimerization
  • Mechanism

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    Miltsov, S., Goikhman, M., Yakimansky, A., Misharev, A., Puyol, M., & Alonso, J. (2019). N-Bromosuccinimide-mediated dimerization of unsymmetrical indodicarbocyanine dyes. Tetrahedron Letters, 60, [151005]. https://doi.org/10.1016/j.tetlet.2019.151005