3982415
Bulky pyridyl substituted BODIPY dyes: Synthesis, characterization and photophysical properties | Poster Board #1129
Date
March 18, 2024
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BODIPY compounds are promising dyes due to their high stability, molar absorptivity and quantum yields with applications as fluorescent probes, laser dyes and in vivo cell imaging. Bulky pyridyl substituted boron dipyrromethene complexes (BODIPY) were synthesized from their dipyrromethene precursors with boron trifluoride yielding boron difluoride complexes (N,N)BF2. The 3- and 4-pyridyl dipyrromethenes coordinate via the pyrrole nitrogens with BF2. In contrast, the pyridine nitrogen of the 2-pyridyl dipyrromethene coordinates with the boron in place of one of the pyrrole nitrogens. The compounds were characterized by NMR spectroscopy, X-ray crystallography, and HRMS. Additionally, the photophysical properties of the complexes were investigated by UV/Vis absorption and emission spectra and quantum yield measurements.
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