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Wiley, Chemistry - A European Journal, 29(27), p. 7959-7967, 2021

DOI: 10.1002/chem.202100356

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Circularly Polarized Fluorescent Helicene‐Boranils: Synthesis, Photophysical and Chiroptical Properties

Journal article published in 2021 by Aurélie Macé ORCID, Khaoula Hamrouni, Etienne S. Gauthier, Marion Jean, Nicolas Vanthuyne ORCID, Lucas Frédéric, Grégory Pieters ORCID, Elsa Caytan ORCID, Thierry Roisnel, Faouzi Aloui, Monika Srebro‐Hooper ORCID, Bertrand Carboni ORCID, Fabienne Berrée ORCID, Jeanne Crassous ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

AbstractMono‐ and di‐boranil‐substituted helicenes were prepared by BF2‐borylation of the corresponding anils, readily synthesized by condensation of 2‐amino‐ and 2,15‐diamino‐helicenes with 4‐(diethylamino)salicylaldehyde. After enantiomeric resolution using HPLC, their chiroptical properties including circularly polarized fluorescence in solution and in PMMA films were investigated and rationalized with the help of NMR, X‐ray and quantum‐chemical calculations.