Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Aryl-substituted tetradentate ligand-coordinated platinum complexes as well as synthesis method and application thereof

A tetradentate ligand, platinum complex technology, applied in the direction of platinum group organic compounds, platinum group organic compounds, compounds containing elements of group 8/9/10/18 of the periodic table, etc. Sexual characteristics and other issues, to achieve the effect of high phosphorescence luminescence intensity, strong rigidity, and energy reduction

Active Publication Date: 2018-07-13
NANJING UNIV OF TECH
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The US9673409 patent protects the improved tetradentate platinum complex molecule, but its spectrum has no practical characteristics as a blue light source

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Aryl-substituted tetradentate ligand-coordinated platinum complexes as well as synthesis method and application thereof
  • Aryl-substituted tetradentate ligand-coordinated platinum complexes as well as synthesis method and application thereof
  • Aryl-substituted tetradentate ligand-coordinated platinum complexes as well as synthesis method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1. Platinum complex Pt (ppzOmesczpy) preparation method

[0047]

[0048] Synthesis of Pt(ppzOmesczpy) ligand: the chemical equation is shown above, and 2-bromo-7-[3-(1-pyrazolyl)phenoxy]-9-(2-pyridine base) carbazole (193mg, 0.4 mmol), 2,4,6-trimethylphenylboronic acid (131mg, 0.8mmol), S-phos (13mg, 0.03mmol), Pd 2 (dba) 3 (18mg, 0.02mmol), potassium phosphate trihydrate (533mg, 2mmol) and toluene (2mL). The mixture was purged of nitrogen three times and refluxed overnight. Cool to room temperature, add water to quench the reaction, extract with ethyl acetate, combine the organic phases, wash with an appropriate amount of saturated aqueous sodium chloride solution and dry over anhydrous sodium sulfate. The solvent was removed by distillation under pressure, and the obtained crude product was separated and purified by silica gel column chromatography, eluent: petroleum ether / ethyl acetate=10:1, and a white solid was obtained, namely Pt(ppzOmesczpy) lig...

Embodiment 2

[0051] Embodiment 2. Platinum complex Pt (ppzOmesczpy-m) preparation method

[0052]

[0053] Synthesis of Pt(ppzOmesczpy-m) ligand: the chemical equation is shown above, and 2-bromo-7-[3-(1-pyrazolyl)phenoxy]-9-(4 -Methyl-2-pyridyl)carbazole (71 mg, 0.14mmol), 2,4,6-trimethylphenylboronic acid (46mg, 0.28mmol), S-phos (5mg, 0.01 mmol), Pd 2 (dba) 3 (6mg, 0.0007mmol), potassium phosphate trihydrate (186mg, 0.7mmol) and toluene (1mL). The mixture was purged of nitrogen three times and refluxed overnight. Cool to room temperature, add water to quench the reaction, extract with ethyl acetate, combine the organic phases, wash with an appropriate amount of saturated aqueous sodium chloride solution and dry over anhydrous sodium sulfate. The solvent was removed by distillation under pressure, and the obtained crude product was separated and purified by silica gel column chromatography, eluent: petroleum ether / ethyl acetate=10:1, and 53 mg of Pt(ppzOmesczpy-m) ligand was obtain...

Embodiment 3

[0056] Embodiment 3. Platinum complex Pt (ppzOmesczpy-3m) preparation method

[0057]

[0058] Synthesis of Pt(ppzOmesczpy-3m) ligand: Add 2-bromo-7-[3-(3,5-dimethyl-1-pyrazolyl)phenoxy]-9- (4-Methyl-2-pyridyl)carbazole (262mg, 0.5mmol), 2,4,6-trimethylphenylboronic acid (164mg, 1mmol), S-phos (16mg, 0.04mmol), Pd 2 (dba) 3 (23mg, 0.025mmol), potassium phosphate trihydrate (666mg, 2.5mmol) and toluene (1.5 mL). The mixture was purged of nitrogen three times and refluxed overnight. Cool to room temperature, add water to quench the reaction, extract with ethyl acetate, combine the organic phases, wash with an appropriate amount of saturated aqueous sodium chloride solution and dry over anhydrous sodium sulfate. The solvent was removed by distillation under pressure, and the obtained crude product was separated and purified by silica gel column chromatography, eluent: petroleum ether / ethyl acetate=10:1, and a white solid was obtained, namely, 201 mg of Pt(ppzOmesczpy-3m) li...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of organic light-emitting materials, and in particular relates to aryl-substituted tetradentate ligand-coordinated platinum complexes as well as a synthesis method and application thereof. The aryl-substituted tetradentate ligand-coordinated platinum complexes comprise structural fragments shown in a formula I and a formula II. By introducing an aryl group into an organic ligand of a cyclic metal platinum complex, the blue light luminescence peaks of the obtained tetradentate ligand-coordinated platinum complexes are controlled to be within a rangeof 450-465 nm; the aryl-substituted tetradentate ligand-coordinated platinum complexes have the advantages of being pure in chromaticity and low in energy; therefore, an effective eye protection bluephosphorescent material is obtained. The formula I and the formula II are described in the description.

Description

technical field [0001] The invention belongs to the technical field of electronic materials, and in particular relates to a class of cyclometal platinum complex coordinated by an aryl-modified tetradentate ligand and its application in organic electroluminescent materials. Background technique [0002] Organic electroluminescence refers to the phenomenon that organic materials emit light under the excitation of an electric field, which can directly convert electrical energy into light energy. Organic light-emitting diodes (Organic Light-Emitting Diodes, OLEDs) refer to diodes made of organic light-emitting materials, also known as organic electroluminescent devices (Organic Electroluminescent Devices). OLEDs are all solid-state self-luminous, with wide viewing angle, bendable, light and thin, high luminous efficiency and resolution, low driving voltage, fast response, low cost, simple production process, and large-area production. The field of lighting has broad and huge ap...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/00C09K11/06H01L51/54
CPCC09K11/06C07F15/0086C09K2211/185H10K85/346
Inventor 杭晓春夏芳盛永健秦天石黄维
Owner NANJING UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com