3, 3-bipyridine complex and preparation method and application thereof
A technology for bipyridine and complexes, applied in the field of 3,3-bipyridine complexes and their preparation, can solve problems such as poor selectivity, low sensitivity, complex production process, etc., achieve high-yield production, simple raw materials, and simple preparation process Effect
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[0022] The embodiment of the present invention also provides a preparation method of 3,3-dipyridine complex, which is used in the above-mentioned 3,3-dipyridine complex, including:
[0023] After mixing 2,5-furandicarboxylic acid, 3,3-bipyridine, and zinc nitrate, add them to the N,N-dimethylacetamide:ethanol (volume ratio 1:1) solution, and stir for 10 minutes. Then it was placed in an oven at 95° C. and allowed to stand for 72 hours. After cooling, the aforementioned 3,3-bipyridine complex was obtained.
[0024] In the above method, the amount of each raw material is:
[0025]
[0026] The embodiment of the present invention further provides an application of the aforementioned 3,3-bipyridine complex as a fluorescent probe for recognizing nitrobenzene.
[0027] The 3,3-bipyridine complex of the present invention has high sensitivity and selectivity to nitrobenzene, and can be used as a fluorescent probe for identifying nitrobenzene with high sensitivity and high selectivity. The ra...
Example Embodiment
[0029] Example 1
[0030] This embodiment provides a 3,3-bipyridine complex, and its preparation method includes:
[0031] After mixing 0.016g 2,5-furandicarboxylic acid, 0.016g 3,3-bipyridine and 0.030g zinc nitrate, add 5mL of N,N-dimethylacetamide and ethanol in a volume ratio of 1:1 In the solution, stir for 10 minutes, and then place it in an oven at 95°C for 72 hours. The colorless block crystals obtained after cooling are 3,3-bipyridine complexes.
[0032] Specifically, select the size as 0.25×0.24×0.23mm 3 The 3,3-bipyridine complex prepared in Example 1 of the present invention was subjected to single crystal structure analysis. The single crystal diffraction data was collected by Bruker-AXS SMART APEX2 CCD diffractometer, and Mokα was monochromated by a graphite monochromator. Rays 2.5°≤θ≤25.3°, and the following results are obtained: the 3,3-bipyridine complex prepared in Example 1 of the present invention belongs to the monoclinic crystal system, and the space group is ...
Example Embodiment
[0033] Example 2
[0034] This embodiment provides a 3,3-bipyridine complex, and its preparation method includes:
[0035] After mixing 0.16g of 2,5-furandicarboxylic acid, 0.16g of 3,3-bipyridine and 0.30g of zinc nitrate, add 50mL of N,N-dimethylacetamide and ethanol in a volume ratio of 1:1. In the solution, stir for 10 minutes, and then place it in an oven at 95°C for 72 hours. The colorless block crystals obtained after cooling are 3,3-bipyridine complexes.
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