Tetrahedron Letters, 2017, 58, 3353–3357

S. Miltsov, V. Karavan, A. Misharev, G. Starova, J. Alonso-Chamarro, M. Puyol

“Unprecedented acid-catalyzed Wurtz-type coupling of meso-bromoindodicarbocyanine dyes”

Tetrahedron Letters, 2017,58, 3353–3357
DOI: 10.1016/j.tetlet.2017.07.043

source: http://www.sciencedirect.com/science/article/pii/S0040403917308894

meso-Bromosubstituted indodicarbocyanine dyes produce dimeric molecules, together with the debrominated species, under acid catalysis. The relationship between the dimerization and hydrodebromination routes depends on the aryl substitution of the dyes. A possible reaction mechanism is also proposed.

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