A disc-shaped fluorine ion fluorescence probe and a preparing method thereof
A technology of fluorescent probes and fluorine ions, applied in the field of fluorescent probes, can solve problems such as complex synthesis, poor selectivity, and long response time, and achieve high quantum yield, excellent luminescent performance, and rapid effect
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Embodiment 1
[0039] The steps of the preparation method of the discoid fluoride ion fluorescent probe of the present embodiment are as follows:
[0040] (1) put R 2 The compound I that is chlorine atom drops in the solvent toluene, heats reflux and makes compound (I) dissolve completely, forms the compound (I) toluene solution that molar concentration is 1mol / L; Compound (I) structural formula is as follows:
[0041]
[0042] (2) Under the condition of heating to reflux (110°C), the R with a molar concentration of 0.8mol / L 1 -NH 2 The toluene solution was slowly added dropwise to the compound (I) toluene solution, and the compound (I) and R 1 -NH 2 The feeding molar ratio is 1:0.95, the dropping rate is 10 drops / min, R 1 -NH 2 After the toluene solution has been added dropwise, continue heating to reflux (110° C.) for 3 hours, R 1 for where R 3 is isopropyl;
[0043] (3) Cool to room temperature after stopping heating, remove toluene by rotary evaporation, use sherwood oil: me...
Embodiment 2
[0050] The steps of the preparation method of the discoid fluoride ion fluorescent probe of the present embodiment are as follows:
[0051] (1) put R 2 The compound (I) that is a hydrogen atom is dropped in solvent toluene, and heating reflux makes compound (I) dissolve completely, and the formation molar concentration is the compound (I) toluene solution of 0.5mol / L; The structural formula of compound (I) is as follows:
[0052]
[0053] (2) Under the condition of heating to reflux (110°C), the R with a molar concentration of 0.8mol / L 1 -NH 2 The toluene solution was slowly added dropwise to the compound (I) toluene solution, and the compound (I) and R 1 -NH 2 The feeding molar ratio is 1:0.90, the dropping rate is 30 drops / min, R 1 -NH 2 After the toluene solution was added dropwise, continue to reflux (110° C.) for 6 hours, R 1 for where R 3 is cyclohexyl;
[0054] (3) After stopping heating, cool to room temperature, remove toluene by rotary evaporation, use p...
Embodiment 3
[0060] The steps of the preparation method of the discoid fluoride ion fluorescent probe of the present embodiment are as follows:
[0061] (1) put R 2 Be that the compound (I) of bromine atom drops in the solvent toluene, heat reflux and make compound (I) dissolve completely, form the compound (I) toluene solution that molar concentration is 0.8mol / L; The structural formula of compound (I) is as follows:
[0062]
[0063] (2) Under the condition of heating to reflux (110°C), add R with a molar concentration of 0.3mol / L 1 -NH 2 The toluene solution was slowly added dropwise to the compound (I) toluene solution, and the compound (I) and R 1 -NH 2 The feeding molar ratio is 1:0.85, the dropping rate is 20 drops / min, R 1 -NH 2 After the toluene solution has been added dropwise, continue to reflux (110° C.) for 4 hours, R 1 for where R 3 is n-octyl;
[0064] (3) Cool to room temperature after stopping heating, remove toluene by rotary evaporation, use petroleum ether:...
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