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We synthesized three 1,3,5,7-tetramethyl-BODIPY (1a, 2a, 3a) and three 3,5-dimethyl-BODIPY (1b, 2b, 3b) photosensitizers, in which the meso position was modified by different para-aminophenyl groups. The singlet oxygen generation and photophysical properties of the BODIPYs were studied by UV-vis absorption spectra, fluorescence emission spectra methods in various solvents. It was found that these...
meso-phenyl and meso-naphthyl substituted BODIPY derivatives were synthesized as singlet oxygen photosensitizers. Strengthening the electron donating ability of the phenyl or naphthyl by attaching OCH3 or OH group makes these BODIPYs efficiently generate singlet oxygen in polar solvents accompanied by strong fluorescence quenching. The BODIPYs exhibited higher fluorescence quantum yields in non polar...
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