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A kind of fluorescent probe for detecting palladium ion, preparation method and application

A fluorescent probe and palladium ion technology, which is applied in the field of fluorescent probe preparation, can solve the problems of complex process, slow response, and long time consumption, and achieve high detection sensitivity, good selectivity and specificity, and simple and easy preparation process Effect

Active Publication Date: 2019-06-25
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods are time-consuming, slow in response, and complex in process, and fluorescence spectroscopy can overcome these shortcomings well, so it is necessary to develop fluorescent probes for highly selective detection of palladium ions

Method used

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  • A kind of fluorescent probe for detecting palladium ion, preparation method and application
  • A kind of fluorescent probe for detecting palladium ion, preparation method and application
  • A kind of fluorescent probe for detecting palladium ion, preparation method and application

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Embodiment Construction

[0039] The present invention will be described in further detail below with reference to the accompanying drawings and in conjunction with Embodiments I and II. However, the invention is not limited to the examples given.

[0040] Example Ⅰ-1 Preparation of green fluorescent probe 1 (R=-CH 3 )

[0041] Dissolve 5g of 2-hydroxy-5-methylbenzaldehyde, 4.6g of 2-aminothiophenol and 6g of sodium metabisulfite in 50mL of DMF; reflux at 110°C for 3 hours; after the reaction, cool to room temperature and add Wash with 50mL of distilled water to produce a precipitate, filter, wash the filter cake 5 times, and dry the obtained solid inwardly in a vacuum to obtain 8.5g of white solid substance 3; weigh 2.5g of the obtained substance 3, and 4.5g of hexamethylene Tetramine was dissolved in 15 mL of trifluoroacetic acid, and refluxed at 100°C for 6 hours; after the reaction was completed, 200 mL of 4 mol / L HCl was added for washing, and the acidic solution was extracted with dichlorometha...

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Abstract

The invention discloses a fluorescent probe for detecting palladium ions, and provides a preparation method and application of the fluorescent probe at the same time. The fluorescent probe is capable of rapidly responding and highly selectively detecting the palladium ions. The fluorescent probe for detecting the palladium ions has a structure as shown in a formula 1 or 2, wherein R is H, CH3 or t-Bu.

Description

technical field [0001] The invention relates to a fluorescent probe, a preparation method and application, more specifically to a fluorescent probe for detecting palladium ions, a preparation method and application. Background technique [0002] The reserves of palladium on the earth are scarce. Due to the limitation of mining conditions, the output of palladium is very small. It is a precious metal, but it has a wide range of uses. In chemistry, palladium is mainly used as a catalyst for a large number of reactions. At the same time, palladium is also used to make dental materials. , watches and surgical instruments, etc. The palladium that human beings come into contact with in life is mainly caused by the automobile exhaust gas purification treatment device. In the exhaust gas purification treatment device, palladium, platinum and rhodium are used as the active components of the catalyst to purify the harmful substances in the automobile exhaust gas. However, during the p...

Claims

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Application Information

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IPC IPC(8): C07D277/66G01N21/64
CPCC07D277/66G01N21/6428
Inventor 陈小强陈甜甜王芳章智杰陈亚辉
Owner NANJING UNIV OF TECH
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