A kind of Schiff base compound as sb(Ⅲ) ion colorimetric probe and its preparation method and application
An ion ratio and compound technology, which is applied in the field of fluorescent ion colorimetric probes to achieve the effects of simple synthesis route, good selectivity and easy preparation
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Embodiment 1
[0032] The preparation method of the Sb(III) ion colorimetric probe of the embodiment of the present invention comprises the following steps:
[0033] Dissolve 1,2-phenylenediamine and 4-dimethylaminocinnamaldehyde in ethanol at room temperature, use acetic acid as a catalyst, recrystallize, purify and separate after reaction to obtain the target product Sb(III) ion colorimetric probe.
[0034] Its preparation route is as follows:
[0035]
[0036] Specifically, the preparation method of the Sb(III) ion colorimetric probe comprises the following steps:
[0037] Accurately weigh 0.22g (2mmol) of 1,2-phenylenediamine (1) and 0.35g (2mmol) of 4-dimethylaminocinnamaldehyde (2) into a round bottom flask, add ethanol to dissolve it, and then dropwise add Two drops of acetic acid were stirred at room temperature to react. TLC followed the reaction progress, and the reaction was completed in about 1 h, and a large amount of yellow-brown solid was precipitated. Then, it was filte...
Embodiment 2
[0038] The difference between embodiment 2 and embodiment 1 is only that ethanol is replaced by methanol.
Embodiment 3
[0039] The difference between Example 3 and Example 1 is that ethanol is replaced by N,N-dimethylformamide.
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