Chemistry - A European Journal
Chemistry - A European Journal
5 years ago

Direct Arylation of Dipyrrolonaphthyridinediones Leads to Red-Emitting Dyes with Conformational Freedom

Direct Arylation of Dipyrrolonaphthyridinediones Leads to Red-Emitting Dyes with Conformational Freedom
Bartłomiej Sadowski, Michał F. Rode, Daniel T. Gryko
Dipyrrolonaphthyridinediones that possess two aryl substituents at positions 3 and 9 can be prepared directly from parent heterocycle by direct arylation. Although benzene rings in the new dyes are only weakly coupled with the key chromophore, the dihedral angles are much smaller in the excited state. As a result, fluorescence is shifted from green–yellow to the far-red/NIR region. The photophysical properties can be controlled by altering the steric and electronic character of the peripheral group. More information can be found in the Full Paper by M. F. Rode, D. T. Gryko et al. (DOI: 10.1002/chem.201702306).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201704984

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