Multicomponent Synthesis of Luminescent Iminoboronates

A family of iminoboronates was prepared through a one-pot multicomponent reaction, starting from boronic acid, anthranilic acid, and different salicylaldehydes. Their synthesis was straightforward and the complexes were obtained in good to excellent yields. Their photophysical properties were assess...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2020-12, Vol.25 (24), p.6039
Main Authors: Guieu, Samuel, Esteves, Cátia I C, Rocha, João, Silva, Artur M S
Format: Article
Language:English
Subjects:
2-hydroxybenzaldehydes
Acids
aggregation-induced emission enhancement
Aldehydes - chemistry
Anthranilic acid
Boron
Boronic Acids - chemistry
Chelates
Cooling
Crystal structure
fluorescence
Fluorescent Dyes - chemistry
Hydrogen bonds
Ligands
Luminescence
ortho-Aminobenzoates - chemistry
phenylboronic acid
Single crystals
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Summary:A family of iminoboronates was prepared through a one-pot multicomponent reaction, starting from boronic acid, anthranilic acid, and different salicylaldehydes. Their synthesis was straightforward and the complexes were obtained in good to excellent yields. Their photophysical properties were assessed in a diluted solution, and the complexes proved to be faintly luminescent. These chelates demonstrated remarkable Aggregation-Induced Emission Enhancement, which was rationalized using crystal structures.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules25246039