Conjugated microporous polymer based on 2,4,6-tri(4-formylphenyl)pyrimidine and preparation method of conjugated microporous polymer

A technology of formylphenyl and conjugated micropores, which is applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, chemical/physical processes, etc., can solve the needs of diverse CMPs, There are few types of CMPs, etc., to achieve the effect of large-scale production and simple and easy preparation methods

Pending Publication Date: 2021-03-30
TAIZHOU UNIV
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  • Abstract
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Problems solved by technology

[0004]However, there are few types of CMPs in the prior art, which cannot meet the needs of society for diversified CMPs

Method used

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  • Conjugated microporous polymer based on 2,4,6-tri(4-formylphenyl)pyrimidine and preparation method of conjugated microporous polymer
  • Conjugated microporous polymer based on 2,4,6-tri(4-formylphenyl)pyrimidine and preparation method of conjugated microporous polymer
  • Conjugated microporous polymer based on 2,4,6-tri(4-formylphenyl)pyrimidine and preparation method of conjugated microporous polymer

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preparation example Construction

[0033] The invention provides a method for preparing a conjugated microporous polymer based on 2,4,6-tris(4-formylphenyl)pyrimidine, comprising the following steps:

[0034] Mix 2,4,6-tris(4-formylphenyl)pyrimidine, symmetrical indacene-1,3,5,7(2H,6H)-tetraketone, organic solvent and acidic reagent, and prepare the resulting mixture The solution was subjected to aldol condensation reaction in a protective atmosphere to obtain a conjugated microporous polymer based on 2,4,6-tris(4-formylphenyl)pyrimidine.

[0035] The present invention has no special limitation on the source of the symmetric indacene-1,3,5,7(2H,6H)-tetraketone, which can be commercially available or self-made; in the present invention, the symmetric indacene Dashen-1,3,5,7(2H,6H)-tetraketone is preferably self-made, and the preparation method preferably includes the following steps:

[0036] Mix pyromellitic dianhydride, ethyl acetoacetate and triethylamine, heat in an oil bath to 60-65°C, add acetic anhydride...

Embodiment 1

[0067] Preparation of 2,4,6-tris(4-formylphenyl)pyrimidine comprises the following steps:

[0068] 2,4,6-trichloropyrimidine (0.3750g, 2mmol), 4-formylphenylboronic acid (1.4020g, 9mmol), potassium carbonate (0.7501g, 6mmol), cesium carbonate (1.9504g, 6mmol), four (Triphenylphosphine)palladium (3.5008g, 0.3mmol) was successively added into a round-bottomed flask and a magnet was placed, and then toluene (25mL), absolute ethanol (5mL) and distilled water (5mL) were successively added into the round-bottomed flask As a reaction solvent, place the round-bottomed flask in an oil bath, control the temperature of the oil bath to 100°C, and carry out the Suzuki coupling reaction under nitrogen protection and stirring for 72 hours at the beginning of system reflux; cool to room temperature after the reaction , add distilled water (100mL) and dichloromethane (100mL) to extract the product system obtained, separate to obtain the upper organic phase liquid, add anhydrous magnesium sulfa...

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Abstract

The invention provides a conjugated microporous polymer based on 2,4,6-tri(4-formylphenyl)pyrimidine and a preparation method of the conjugated microporous polymer, and belongs to the technical fieldof conjugated microporous polymers. S-indacene-1,3,5,7(2H,6H)-tetrone is introduced on the basis of 2,4,6-tris(4-formylphenyl)pyrimidine, and the prepared conjugated microporous polymer is a polymer with a sheet and amorphous structure, has a large conjugated structure and can be used as a photocatalyst.

Description

technical field [0001] The invention relates to the technical field of conjugated microporous polymers, in particular to a conjugated microporous polymer based on 2,4,6-tris(4-formylphenyl)pyrimidine and a preparation method thereof. Background technique [0002] In recent years, with the progress of scientific and technological production and the increasing demand of human beings in production and life, people are no longer satisfied with the existing materials. More and more researchers are devoting themselves to the research and preparation of new materials with better performance. Among them, Covalent Organic Polymers (COPs) are favored by researchers because of their high specific surface area, easy modification, easy functionalization, and efficient reaction process. They are used in gas adsorption and storage, electrochemistry, sensors and It has been researched and developed in many fields such as photocatalysis. [0003] According to different structures, covalent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/12B01J31/06
CPCC08G61/122B01J35/004B01J31/064C08G2261/124C08G2261/228C08G2261/312C08G2261/314C08G2261/3221C08G2261/3327C08G2261/354C08G2261/90
Inventor 任世斌吴建波王呈慧张子扬韩得满
Owner TAIZHOU UNIV
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