Blue Luminescent Boron Complexes Based on N,N‐Type Imidazo[1,5‐a]pyridine Ligand for Mitochondrial Imaging

We have synthesized two boron complexes based on N,N‐type bidentate imidazo[1,5‐a]pyridine ligands exhibiting blue emission with good quantum yields in solution. The transient absorption and theoretical studies of the boron complexes indicated the intramolecular charge transfer nature. In addition,...

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Bibliographic Details
Published in:Asian journal of organic chemistry 2024-09, Vol.13 (9), p.n/a
Main Authors: Yagishita, Fumitoshi, Katayama, Tetsuro, Kawamura, Yuta, Watanabe, Guran, Abe, Sota, Ogawa, Itsuki, Tabata, Atsushi, Yoshida, Yasushi, Masu, Hyuma, Ueta, Shoko, Arakawa, Yukihiro, Minagawa, Keiji, Furube, Akihiro, Imada, Yasushi
Format: Article
Language:English
Subjects:
Boron complexes
Fluorescence
Imidazo[1,5-a]pyridines
Mitochondrial imaging
Transient absorption
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Summary:We have synthesized two boron complexes based on N,N‐type bidentate imidazo[1,5‐a]pyridine ligands exhibiting blue emission with good quantum yields in solution. The transient absorption and theoretical studies of the boron complexes indicated the intramolecular charge transfer nature. In addition, one specific complex, 1 a was found to work as a mitochondrial imaging agent. We synthesized a new class of boron complexes of imidazo[1,5‐a]pyridine‐based bidentate ligands and evaluated their photophysical properties, including the excited state dynamics by transient absorption measurements. One specific derivative was found to work as a blue luminescent material to visualize mitochondria in cells.
ISSN:2193-5807
2193-5815
DOI:10.1002/ajoc.202400189