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Platinum-based coordination fluorescent bicyclic complex, preparation method thereof and application of platinum-based coordination fluorescent bicyclic complex in explosive detection

A complex and coordination technology, applied in the field of supramolecular chemistry, can solve the problems of complex synthetic route and long time.

Active Publication Date: 2022-08-02
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another PPE-conjugated polymer has been used as a fluorescent sensor to detect explosives in commercial equipment. However, from the design to the synthesis of such polymer materials, there are complex and time-consuming synthetic routes.

Method used

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  • Platinum-based coordination fluorescent bicyclic complex, preparation method thereof and application of platinum-based coordination fluorescent bicyclic complex in explosive detection
  • Platinum-based coordination fluorescent bicyclic complex, preparation method thereof and application of platinum-based coordination fluorescent bicyclic complex in explosive detection
  • Platinum-based coordination fluorescent bicyclic complex, preparation method thereof and application of platinum-based coordination fluorescent bicyclic complex in explosive detection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Example 1: Preparation of perylene diimide-based platinum(II) metal-coordinated self-assembled supramolecular metal bicyclic complexes

example 1

[0069] The bidentate sodium carboxylate ligand structure adopted in Example 1 is shown in the following formula:

[0070]

[0071] The first step: preparation of supramolecular metal bicyclic complexes based on perylene diimide.

[0072] Weigh the samples to be used in turn with a precision electronic balance, and weigh the tetradentate pyridyl ligand 2,9-bis(heptane-4-yl)-4,7,11,14-tetra(pyridin-4-yl) ) perylene diimide (2.02mg, 2.26μmol, 1.0equiv), bidentate sodium carboxylate ligand sodium fumarate (0.72mg, 4.50μmol, 2.0equiv), organometallic platinum (II) ligand cis bis ( Triethylphosphorus)bis(trifluoromethanesulfonic acid)platinum (II) (6.59mg, 9.03μmol, 4.0equiv), after weighing, all were added to a glass bottle with a volume of 20mL, and a magnetic stirrer was added. . Measure 2mL of purified water with a 5mL graduated cylinder and add it to a glass bottle, ultrasonically treat it for 1min, then use a 10mL graduated cylinder to measure 8mL of acetone, and ultrason...

Embodiment 2

[0076] Example 2: Preparation of perylene diimide-based platinum(II) metal-coordinated self-assembled supramolecular metal bicyclic complexes

[0077] The structure of the bidentate sodium carboxylate ligand used in this example is shown in the following formula:

[0078]

[0079] The first step: preparation of supramolecular metal bicyclic complexes based on perylene diimide.

[0080] Weigh the samples to be used sequentially with a precision electronic balance, and weigh the tetradentate pyridyl ligand 2,9-bis(heptane-4-yl)-4,7,11,14-tetra(pyridin-4-yl) Perylene diimide (2.00 mg, 2.23 μmol, 1.0 equiv), bidentate sodium carboxylate ligand 1H-pyrrole-2,5-dicarboxylate sodium (0.89 mg, 4.47 μmol, 2.0 equiv), organometallic platinum ( II) Ligand cisbis(triethylphosphorus)bis(trifluoromethanesulfonic acid)platinum (II) (6.52mg, 8.94μmol, 4.0equiv), all samples were added to the prepared volume of 20mL. In a glass jar, add a magnetic stir bar. Measure 2mL of purified water w...

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Abstract

The invention discloses a platinum-based coordination fluorescent bicyclic complex, a preparation method thereof and an application of the platinum-based coordination fluorescent bicyclic complex in explosive detection. A perylene diimide group with high fluorescence stability is designed into a tetradentate pyridyl ligand, the tetradentate pyridyl ligand is introduced into construction of a supramolecular metal annular complex through an effective metal organic coordination effect, and the tetradentate pyridyl ligand, a metal platinum (II) ligand and six bidentate sodium carboxylate ligands are spontaneously assembled through a one-pot method to obtain six supramolecular metal bicyclic complexes. According to the preparation method, supramolecular fluorescent metal bicyclic rings are constructed by introducing fluorescent molecules perylene diimide, and finally simple molecules are spontaneously assembled through metal organic coordination, so that interference of cationic compounds in the environment on explosive detection can be effectively resisted, and the problems of complex synthesis route and long time consumption are solved.

Description

technical field [0001] The invention belongs to the technical field of supramolecular chemistry, and in particular relates to a platinum-based coordinated fluorescent bicyclic complex, a preparation method thereof, and an application in explosive detection. Background technique [0002] Since modern times, with the rapid development of the chemical and chemical industry, global environmental protection issues have become prominent, and people are constantly facing new challenges. As an important high-energy compound, nitroaromatic compounds have been widely synthesized and used. If such compounds are leaked during production and transportation, there is not only a risk of explosion, but also damage to the environment and a threat to human health. Therefore, it has become one of the research hotspots in the current scientific community to continuously develop fast and effective detection methods for p-nitroaromatic explosive compounds. [0003] Among various materials used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D471/06C07F15/00C09K11/06G01N21/64
CPCC07D471/06C09K11/06C07F15/0093G01N21/643C09K2211/1044C09K2211/1029C09K2211/185G01N2021/6432
Inventor 张明明石茹萍侯亚丽
Owner XI AN JIAOTONG UNIV
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