Compound for preparing near-infrared rate light-emitting upconversion nanomaterial as well as preparation method and application of compound
A technology of nanomaterials and compounds, applied in the field of analytical chemistry, can solve problems such as application limitations, and achieve good light and thermal stability, good anti-interference, and good reversibility
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[0042] Compound 1 adopts the following synthetic route:
[0043]
[0044] Weigh 4-carboxyphenylhydrazine hydrochloride (500mg, 2.46mmol) and sodium hydroxide (98.5mg, 2.46mmol) in a 100mL eggplant-shaped bottle, add an appropriate amount of ethanol for ultrasonication, stir at room temperature, dissolve for 30min, and then Spin out the ethanol, transfer the remaining solid to a 100mL three-neck flask, add 16mL of glacial acetic acid to dissolve, then add sodium acetate (405mg, 4.94mmol), ultrasonically dissolve, and finally add 3-methyl-2-butanone (397μL, 3.7mmol), heated to 100°C, and refluxed for 16h. After the reaction is complete, stop the reaction, cool to room temperature, distill under reduced pressure, spin out glacial acetic acid, cool to 0°C with ice water, slowly add saturated sodium carbonate solution until no bubbles are generated, adjust pH=4 with hydrochloric acid , extracted three times with dichloromethane, the oil phase was collected, dried with anhydrous...
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