期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 81, 期 20, 页码 9658-9668出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.6b01756
关键词
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资金
- Centre National de la Recherche Scientifique (CNRS)
- Ministere de l'Education Nationale, de la Recherche et de l'Enseignement Superieur
- Region Alsace and Amoneta Diagnostics
A first series of polyanils were synthesized by a simple condensation between either isomers of phenylenediamine derivatives or 1,3,5-benzenetriamine and 4-(diethylamino)salicylaldehyde, while a second series resulted from the condensation between 4,6-dihydroxyisophthalaldehyde or 2,5-dihydroxyterephthalaldehyde and differently substituted anilines. All these polyanils showed good chelating abilities toward trivalent boron fragments such as BF2 or BPh2 to yield the corresponding boranils. The optical properties of these novel fluorophores have been studied both in solution and in the solid-state and show emission wavelengths covering the entire visible spectrum and near infrared (NIR), depending on molecular structure, substitution, and environment. While faintly fluorescent in solution in their molecular state, some polyanils show typical aggregation-induced emission (ALE) behavior upon addition of increasing amounts of water in THF solution, leading to a sizable enhancement of fluorescence intensity.
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