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Triazine compound and preparation method thereof

A compound and triazine technology, applied in the field of organic chemical synthesis, can solve the problems of complex reaction process, waste of manpower and material resources, etc., and achieve the effects of simple reaction operation, less side reactions and high yield

Pending Publication Date: 2021-06-25
陕西维世诺新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on the fact that most of the existing triazine compounds and their derivatives are prepared by ring closure or aromatic halogenated compound method, the reaction process is complicated and wastes manpower and material resources, the application provides a triazine compound and its preparation method

Method used

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  • Triazine compound and preparation method thereof
  • Triazine compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Under nitrogen, 400ml of tetrahydrofuran and 2-methylbromobenzene (yellow transparent liquid, this is the main raw material) (40g; 0.23mol) were successively added into a 1000ml three-necked flask. Start stirring, cool down to -70°C, react for 0.5 hours, then add sec-butyllithium (120ml, 0.3mol) dropwise, keep the temperature at -70°C for one hour, then quickly add cyanuric chloride (white acidic crystals, made here Main raw material) (22g, 0.12mol), heat preservation reaction for two hours.

[0069] Post-processing: the reaction solution is heated to -40°C and quenched by adding 400ml of 1mol / L dilute hydrochloric acid, extracting the system with 400ml of ethyl acetate, separating the organic phase, drying the organic phase and concentrating under reduced pressure (the organic phase is dried with anhydrous magnesium sulfate Dehydration, after removing magnesium sulfate with Buchner funnel suction filtration, liquid carries out concentration and removes solvent with rot...

Embodiment 2

[0071] Under nitrogen, 400ml of tetrahydrofuran and 3-methylbromobenzene (40g; 0.23mol) were successively added into a 1000ml three-neck flask. Start stirring, cool down to -70°C, react for 0.5 hours, then add n-butyllithium (120ml, 0.3mol) dropwise, keep the temperature at -70°C for one hour, then quickly add cyanuric chloride (22g, 0.12mol), keep warm React for two hours.

[0072] Post-processing: the reaction solution is heated to -40°C and quenched by adding 400ml of 1mol / L dilute hydrochloric acid, extracting the system with 400ml of ethyl acetate, separating the organic phase, drying the organic phase and concentrating under reduced pressure (the organic phase is dried with anhydrous magnesium sulfate Dehydration, after removing magnesium sulfate with Buchner funnel suction filtration, liquid carries out concentration and removes solvent with rotary evaporator under negative pressure, obtains solid product after concentration), recrystallizes with sherwood oil (the thick...

Embodiment 3

[0074] Under nitrogen, 400ml of tetrahydrofuran and 4-tert-butylbromobenzene (49g; 0.23mol) were successively added into a 1000ml three-neck flask. Start stirring, cool down to -70°C, react for 0.5 hours, then add sec-butyllithium (120ml, 0.3mol) dropwise, keep the temperature at -70°C for one hour, then quickly add cyanuric chloride (22g, 0.12mol), keep warm React for two hours.

[0075] Post-processing: the reaction solution is heated to -40°C and quenched by adding 400ml of 1mol / L dilute hydrochloric acid, extracting the system with 400ml of ethyl acetate, separating the organic phase, drying the organic phase and concentrating under reduced pressure (the organic phase is dried with anhydrous magnesium sulfate Dehydration, after removing magnesium sulfate with Buchner funnel suction filtration, liquid carries out concentration and removes solvent with rotary evaporator under negative pressure, obtains solid product after concentration), recrystallizes with sherwood oil (the...

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Abstract

The invention belongs to the technical field of organic chemical synthesis, and particularly relates to a triazine compound and a preparation method thereof. Most of existing triazine compounds and derivatives thereof are prepared through ring closing or an aromatic halogenated compound Grignard method, the reaction process is complex, and manpower and material resources are wasted. The invention provides the triazine compound. The general formula of the compound is shown in the specification, or reaction raw materials are cheap and easy to obtain, the reaction operation is simple, side reactions are few, and the yield is high.

Description

technical field [0001] The application belongs to the technical field of organic chemical synthesis, and in particular relates to a triazine compound and a preparation method thereof. Background technique [0002] Since the synthesis of triazine aromatic substituted compounds, due to their special structure, triazine aromatic substituted compounds and their derivatives have many applications, such as the application in the synthesis of drugs, the application of organic electricity to light-emitting materials, etc., in its connection The introduction of groups at different positions of the group will have different applications and better performance. Due to the continuous research and development of organic electroluminescent materials by scientists in recent years, triazine aromatic substituted compounds and their derivatives need Purity and yield are getting higher and higher, so it is necessary to continuously optimize and improve the process. [0003] Most of the existi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D251/22
CPCC07D251/22
Inventor 吕钟
Owner 陕西维世诺新材料有限公司
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