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Fluorinion receptor compound, synthesis method thereof, and application thereof in colorimetric and fluorescent two-way identification of fluorinions

A compound and fluoride ion technology, applied in the fields of chemical synthesis and anion detection, can solve the problems of limited application prospects and complex synthesis of fluoride ion acceptors.

Inactive Publication Date: 2015-10-21
NORTHWEST NORMAL UNIVERSITY
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  • Abstract
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Problems solved by technology

However, the synthesis of many fluoride ion acceptors is relatively complicated, which limits their application prospects

Method used

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  • Fluorinion receptor compound, synthesis method thereof, and application thereof in colorimetric and fluorescent two-way identification of fluorinions
  • Fluorinion receptor compound, synthesis method thereof, and application thereof in colorimetric and fluorescent two-way identification of fluorinions
  • Fluorinion receptor compound, synthesis method thereof, and application thereof in colorimetric and fluorescent two-way identification of fluorinions

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Embodiment Construction

[0031] The synthesis of acceptor compound YT of the present invention and the detection of F through specific examples below - application is further explained.

[0032] 1. Synthesis of receptor compound YT

[0033]Weigh 0.45g (2.0mmol) of o-toluidine into a 100mL round bottom flask, add 50mL of ethanol, slowly add 0.5124g (2mmol) of salicylaldehyde and 1mL of glacial acetic acid under stirring, first stir at room temperature Mix evenly, then heat in an oil bath to 80°C for reflux reaction for 16 hours; after the reaction stops, cool to room temperature, filter with suction, wash the obtained solid with ethanol for 3 to 5 times, then dry it in a vacuum oven, and recrystallize with ethanol to obtain 0.72 g of light yellow solid is the acceptor compound YT.

[0034] YT: Yield: 85.1%; (m.p. 220-222℃), 1 H-NMR (DMSO-d 6 , 400 MHz), δ 13.42(d 2H,OH), δ 8.99(d 2H,-CH=N), δ 7.65-7.76 (m 6H, ArH), δ7.42-7.54 (m 4H, ArH), 6.95 -7.47 (m 4H, ArH) 2.43 (s 6H, -CH 3 ) IR (KBr, cm -1...

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Abstract

The invention relates to a fluorinion receptor compound and a synthesis method thereof. The method comprises the following steps: carrying out a heating refluxing reaction on o-tolidine and salicylaldehyde as substrates with ethanol as a solvent and acetate acid gracial as a catalyst, cooling to room temperature, carrying out pumping filtration, washing the above obtained solid, drying, and re-crystallizing to obtain the fluorinion receptor compound. When F<-> is added to a solution of the receptor compound, the color of the solution becomes yellow from colorless, and the identification process is not interfered by other ions. A fluorescence spectrum shows that the receptor compound can specifically identify the F<-> in a colorimetric and fluorescent high-selectivity manner, and the detection limit is 2.5*10<-7>mol / L.

Description

technical field [0001] The invention relates to the structure and synthesis of a fluoride ion acceptor molecule, and also relates to the specific application of the acceptor compound in naked eye and fluorescent double-way recognition of fluoride ions, belonging to the field of chemical synthesis and the technical field of anion detection. Background technique [0002] Anions widely exist in organisms and play an important role. For example, anions can carry genetic information (DNA is a polyanion species). Due to the importance of anions in biology, medicine, and environmental science, the design and synthesis of anion receptors have attracted extensive attention. As the smallest anion, fluoride ion has unique chemical properties. It is an essential trace element for the human body and a basic component of teeth and bones. However, the lack or excess of fluoride can easily cause physiological or pathological changes and affect human health. Therefore, the effective identif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C251/24C07C249/02C09K11/06G01N21/64
Inventor 魏太保严国涛张有明林奇姚虹
Owner NORTHWEST NORMAL UNIVERSITY
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