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Multifunctional integral catalyst, synthesis method and application

A synthetic method and an integrated technology, applied in catalytic reactions, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of limited catalytic activity, single metals and their oxides do not have catalytic activity, and cannot be applied. Achieve the effects of simple method, easy mass production, and mild reaction conditions

Active Publication Date: 2018-06-22
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, single metals and their oxides do not have practical catalytic activity. Generally, alloys or multi-component combinations are prepared to improve their catalytic activity, but their catalytic activity is often limited to specific reactions and cannot be applied to other systems.

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  • Multifunctional integral catalyst, synthesis method and application
  • Multifunctional integral catalyst, synthesis method and application
  • Multifunctional integral catalyst, synthesis method and application

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preparation example Construction

[0035] The embodiment of the present invention also provides a method for synthesizing the above-mentioned multifunctional integrated catalyst, which includes the following steps:

[0036] (1) Synthesis of H 2 CBBA ligands:

[0037] According to the dosage ratio of 9-12mmol: 9-12mmol: 10-15mmol: 100-200mL, take methyl p-aldehyde benzoate, methyl p-aminobenzoate, anhydrous MgSO 4 and CHCl 3 , Stir the reaction at room temperature for at least 20 h.

[0038] Remove MgSO by filtration 4 , the filtrate was rotary evaporated to dryness, NaBH was added 4 , tetrahydrofuran (THF) and ethanol (EtOH), stirred at room temperature for at least 10 h, NaBH 4 , THF, and EtOH are used in a ratio of 10-12mmol: 50-100mL: 20-30mL.

[0039] The reaction was quenched by adding water under ice bath conditions, EtOH and THF were removed by rotary evaporation, and ethyl acetate (EA) / H 2 O extraction, the organic phases were combined and washed with a saturated NaCl solution, and the EA solvent...

Embodiment 1

[0054] This embodiment provides a multifunctional integrated catalyst CBBA-Co, which is synthesized according to the following method:

[0055]In a 250mL single-necked round bottom flask, add 1.64g (10 mmol) of methyl p-aldehyde benzoate, 1.51 g (10 mmol) of methyl p-aminobenzoate, anhydrous MgSO 4 1.5 g (12.5 mmol) and CHCl 3 150mL, stirred at room temperature for 24h.

[0056] Remove MgSO by filtration 4 , the filtrate was evaporated to dryness with a rotary evaporator, and NaBH was added 4 0.42g (11mmol), THF (75mL) and EtOH (25mL), the reaction was stirred overnight at room temperature.

[0057] Add water to quench the reaction under ice bath conditions, remove EtOH and THF by rotary evaporation, and use EA / H 2 O extraction, combined filtrates and washed with saturated NaCl solution, rotary evaporation to dryness to remove the EA solvent, to obtain a relatively pure esterified ligand.

[0058] Dissolve the esterified ligand with NaOH 3g (75mmol) in H 2 In O / EtOH / T...

Embodiment 2

[0061] This embodiment provides a multifunctional integrated catalyst CBBA-Co, which is synthesized according to the following method:

[0062] In a 250mL single-necked round bottom flask, add 1.48g (9 mmol) of methyl p-aldehyde benzoate, 1.36 g (9 mmol) of methyl p-aminobenzoate, anhydrous MgSO 4 1.2 g (10 mmol) and CHCl 3 (100 mL), the reaction was stirred at room temperature for 24 h.

[0063] Remove MgSO by filtration 4 , the filtrate was evaporated to dryness with a rotary evaporator, and NaBH was added 4 0.38g (10mmol), THF (50mL) and EtOH (20mL), stirred the reaction overnight at room temperature.

[0064] Add water to quench the reaction under ice bath conditions, remove EtOH and THF by rotary evaporation, and use EA / H 2 O extraction, combined organic phases and washed with saturated NaCl solution, rotary evaporation to dryness to remove EA solvent, to obtain a relatively pure esterified ligand.

[0065] Dissolve the esterified ligand and NaOH 2g (50mmol) in H ...

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Abstract

The invention discloses a multifunctional integral catalyst, a synthesis method and application and relates to the field of catalysts. The multifunctional integral catalyst has the chemical formula ofC36H44Co3N4O16; each asymmetric unit consists of one flexible CBBA ligand, two Co(II) atoms, one mu-O atom, two coordinated water molecules and an N,N-dimethyl formamide molecules; by adopting a modethat organic functional components are introduced, and through controllable self-assembling process, on one hand, a three-core Co3O active unit is established, and on the other hand, a one-dimensional nano pore structure is established; and in addition, through potential coordinate omission, a multifunctional integral catalyst material can be prepared. The multifunctional integral catalyst is simple in synthesis method, gentle in reaction condition and easy in large-scale production. The multifunctional integral catalyst is mainly applied to three fields of epoxy compound open loop reactions,thioether controllable oxidation and luminal chemical light emission.

Description

technical field [0001] The invention relates to the field of catalysts, and in particular to a multifunctional integrated catalyst, synthesis method and application. Background technique [0002] Catalyst materials play a decisive role in the fields of chemical production, environmental protection, and petrochemical smelting. New high-efficiency catalysts can effectively reduce energy consumption and pollution emissions in industrial production processes, and improve the mutual conversion efficiency of substances. has an important role. With the rapid development of society, multi-functional integrated small instruments and equipment have received more and more attention and demand. For complex chemical production processes, how to realize multiple catalytic reactions in a limited equipment space is an urgent need to solve problem. [0003] At present, the research on catalyst materials generally focuses on the improvement of a single function, such as improving catalytic ...

Claims

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Application Information

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IPC IPC(8): B01J31/22C07C213/04C07C215/44C07C217/84C07C315/02C07C317/14G01N21/76C07C227/18C07C229/76
CPCB01J31/2213B01J2231/4283B01J2231/70B01J2531/845C07C213/04C07C227/18C07C315/02G01N21/76C07C215/44C07C217/84C07C317/14C07C229/76
Inventor 杨秀丽解明华关荣锋王亚胡甜甜
Owner YANCHENG INST OF TECH
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