Fluorescent probe compound used for detection of acetate, and applications thereof
A fluorescent probe, acetate technology, applied in fluorescence/phosphorescence, luminescent materials, organic chemistry, etc., can solve the problems of less identification research and low discrimination of three ions, and achieve good molecular planarity and superior luminescence. Effects of performance, high sensitivity and selectivity
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Embodiment 1
[0019] Add 0.226g (1mmol) 2-(4-amino-2-hydroxyphenyl) benzoxazole and 0.097g (0.6mmol) carbonylimidazole to 20mL toluene, stir and reflux for 12h under the condition of drying and nitrogen protection , a large amount of pale yellow solid appeared, and the reaction was stopped. The crude product was obtained by filtration and purified by crystallization with DMSO to obtain 0.212 g of a yellow solid substance with a yield of 89%.
Embodiment 2
[0021] Add 0.226g (1mmol) 2-(4-amino-2-hydroxyphenyl) benzoxazole and 0.065g (0.4mmol) carbonylimidazole to 15mL toluene, stir and reflux for 15h under the condition of drying and nitrogen protection , a large amount of pale yellow solid appeared, and the reaction was stopped. The crude product was obtained by filtration and purified by crystallization with DMSO to obtain 0.162 g of a yellow solid substance with a yield of 85%.
Embodiment 3
[0023] Add 0.226g (1mmol) 2-(4-amino-2-hydroxyphenyl) benzoxazole and 0.129g (0.8mmol) carbonylimidazole to 25mL toluene, stir and reflux for 8h under the condition of drying and nitrogen protection , a large amount of pale yellow solid appeared, and the reaction was stopped. The crude product was obtained by filtration and purified by crystallization with DMSO to obtain 0.193 g of a yellow solid substance with a yield of 81%.
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