Fluorescent molecules based on a fluorinated isoxazole scaffold were provided for the synthetic methods and their photochemical properties. Simple 3,5-diarylisoxazoles led to increasing the fluorescent intensity and exhibited a redshift in the emission intensity by introducing a fluorine atom. α-Fluorinated boron ketoiminates (F-BKIs) derived from a ring opening reaction of 4-fluoroisoxazoles were also synthesized and exhibited a highly fluorescent luminescence as a new aggregation-induced emission (AIE) fluorophore.
Keywords: Fluorescence probe; Aggregation-induced emission; 4-Fluoroisoxazoles; Boron ketoiminates; α-Fluorinated boron ketoiminates
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Sato, K.; Kawasaki, A.; Karuo, Y.; Tarui, A.; Kawai, K.; Omote, M. Beilstein Arch. 2020, 202034. doi:10.3762/bxiv.2020.34.v1
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