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Pyrene derivative and synthetic method and application thereof

A technology of pyrene derivatives and reactions, applied in the detection field of copper ions, achieving the effect of simple synthesis steps, high yield and low detection limit

Inactive Publication Date: 2018-03-09
HAINAN MEDICAL COLLEGE
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  • Abstract
  • Description
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Problems solved by technology

However, it has not been reported to use two mechanisms to identify copper ions based on one probe.

Method used

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  • Pyrene derivative and synthetic method and application thereof
  • Pyrene derivative and synthetic method and application thereof
  • Pyrene derivative and synthetic method and application thereof

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Embodiment

[0023] Pyrene derivative P is a compound represented by Formula 1.

[0024] Preparation of pyrene derivative P: put 1mM ethyl o-hydroxybenzoate and hydrazine hydrate of 5 times molar amount in 30mL of absolute ethanol, reflux at 75-80°C for 4h, cool to room temperature, filter the precipitated solid, and pass the solid through After washing with absolute ethanol and drying, the resulting intermediate compound was directly used in the next step. 1mM intermediate in absolute ethanol, react with pyrene formaldehyde at a molar ratio of 1:1 at 75-80°C for 4 hours, after cooling, filter the precipitated solid with suction, wash with a large amount of water and absolute ethanol in turn, and dry to obtain a light yellow solid Pure product P, productive rate 85% (see figure 1 and figure 2 ).

[0025] Depend on figure 1 and 2 The molecular ion peak and the chemical shift of H can be seen in the middle to know the generation of pyrene derivative P.

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Abstract

The invention relates to detection of copper ions and particularly relates to a pyrene derivative and a synthetic method and an application thereof. The pyrene derivative is as shown in a formula I. Abenzoyl hydrazine derivative P obtained by means of an effective synthetic means shows relatively good selectivity on copper ions. Based on an optimized experimental condition, copper ions can be detected. The formula is as shown in the description.

Description

technical field [0001] The invention relates to the detection of copper ions, specifically a pyrene derivative and its synthesis method and application. Background technique [0002] Among the reported fluorescent molecular probes, most of them use the same recognition mechanism to realize the detection of specific target substances. [1-3] . It has also been reported that the same probe uses different mechanisms to detect different metal ions [4] . However, it is rare to report that the same probe recognizes the same metal ion with different mechanisms. [0003] Pyrene derivatives have excellent optical properties and are easy to synthesize, and have been widely used in metal ion fluorescent probes. Fluorescent probes based on pyrene derivatives have been applied to the detection of mercury ions, lead ions, iron ions, chromium ions, and copper ions. However, based on one probe, the identification of copper ions by two mechanisms has not been reported. Contents of the ...

Claims

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Application Information

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IPC IPC(8): C07C249/16C07C251/86C09K11/06G01N21/64
CPCC07C241/04C07C249/16C07C251/86C09K11/06C09K2211/1007C09K2211/1011C09K2211/1014G01N21/643G01N2021/6432C07C243/38
Inventor 于春伟张军傅琼瑶
Owner HAINAN MEDICAL COLLEGE
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