One for detection of fe 3+ The organic fluorescent sensing probe of the present invention and its preparation method, use method and application
A fluorescent sensing and probe technology, which is applied in the field of organic fluorescent sensing probes and preparations for detecting Fe3+, can solve the problems of poor water solubility, etc., and achieve the effects of high sensitivity, wide inspection range, and simple and easy synthesis method
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Embodiment 1
[0032] One for the detection of Fe 3+ The organic fluorescent sensing probe, the chemical structural formula of the organic fluorescent sensing probe is: .
[0033] One for the detection of Fe 3+ The preparation method of the organic fluorescent sensing probe, its preparation method comprises the following steps:
[0034] (1) Mix the oily fluorescent sensing material with formic acid, and reflux at 40°C-90°C for 1 hour to obtain the raw material probe molecules with well-protected groups; the oily fluorescent sensing material is coumarin matrix, and the oily fluorescent The molar ratio of sensing material to formic acid is 1:3, and the temperature is most preferably 60 °C.
[0035] (2) Mix the raw material probe molecules with trihalophenol, and reflux under the catalyst at 55°C-110°C for 24 hours to obtain organic fluorescent sensing probes. The specific process is: mix 0.3mmol-1.5mmol raw material probe molecules with 0.1 Mmol-0.5mmol trihalophenols were mixed and reflu...
Embodiment 2
[0051] Repeat Example 1, its difference is, the reflux temperature that coumarin precursor and formic acid mixes in the first step is 70 o C, the result still obtained the substance of Example 1, and possessed all its properties.
Embodiment 3
[0053] Repeat embodiment 1, its difference is that in the second step, the reflux temperature with trihalophenol is 100 o C, the result still obtained the substance of Example 1, and possessed all its properties.
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