A method for catalytic reduction of carbon-carbon double bonds by carbon nitride-supported metal nanoparticles

A metal nanoparticle, carbon-carbon double bond technology, applied in chemical instruments and methods, physical/chemical process catalysts, organic reduction and other directions, can solve problems such as harm to the human body, toluene is flammable and explosive, and pollutes the environment, and achieves low cost. , Easy separation and recycling, good safety effect

Inactive Publication Date: 2015-09-09
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As we all know, toluene has the disadvantages of being flammable and explosive, polluting the environment, and endangering the human body.

Method used

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  • A method for catalytic reduction of carbon-carbon double bonds by carbon nitride-supported metal nanoparticles
  • A method for catalytic reduction of carbon-carbon double bonds by carbon nitride-supported metal nanoparticles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 2

[0029] After adding 0.1mmol styrene to 2.5ml deionized water, sonicate for 10s, add 10mg9wt% palladium-carbon nitride catalyst and sonicate for 1min, add 3 times the equivalent of formic acid to start the reaction, and use gas chromatography (FID detector) analysis results as shown in the figure after the reaction As shown in l, the substrate conversion rate is greater than 99%, and the selectivity of ethylbenzene is greater than 99%.

Embodiment 2

[0031] After adding 0.1mmol styrene to 2.5ml deionized water, sonicate for 10s, add 10 mg9wt% palladium-carbon nitride catalyst and sonicate for 1min, under the protection of nitrogen, add 3 times the equivalent of formic acid to start the reaction, and use gas chromatography (FID Detector) analysis result obtains substrate conversion ratio greater than 99%, and ethylbenzene selectivity is greater than 99%.

Embodiment 3

[0033] Add 0.1mmol styrene to 2.5ml ethyl acetate and acetonitrile respectively, then sonicate for 10s, add 10mg9wt% palladium-carbon nitride catalyst and sonicate for 1min, add 3 times the equivalent of formic acid to start the reaction, and analyze it with gas chromatography (FID detector) after the reaction As a result, the conversion rate of the substrate is greater than 99%, and the selectivity of ethylbenzene is greater than 99%.

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Abstract

The invention relates to a method of catalyzing and reducing carbon-carbon double bonds by carbon nitride supported metal nanoparticles. The method comprises the following steps: by using an olefin and conjugated diene compound as a substrate, carbon nitride supported nano palladium as a catalyst and formic acid or formate as a hydrogen transfer agent, carrying out high-efficiency catalysis at a reaction temperature of 20 DEG C-30 DEG C to transfer hydrogen to the olefin substrate, so as to prepare an alkane compound. According to the invention, the used supported catalyst has the advantage that the catalyst is easy to separate and recycle. By adopting the method, satisfying reaction rate and conversion rate can be obtained, selectivity is very good, cyclic performance is very high, and industrial production practical value is remarkable.

Description

technical field [0001] The invention belongs to the field of chemical synthesis, and relates to a method for synthesizing alkanes, in particular to a method for catalytically synthesizing alkanes with carbon nitride supported metal nanoparticles. Background technique [0002] Catalytic hydrogenation of carbon-carbon double bonds is very important from the perspective of practical application and laboratory research, especially in the synthesis of fine chemicals such as drugs, food additives, spices, and pesticide chemicals. [0003] As available fossil fuels dwindle, research into other renewable energy sources is becoming more urgent. Abundant biomass can meet the needs of industrial production for energy, chemicals and various intermediates (such as acids, ketones, aldehydes and lignin monomers) required in the synthesis of other basic materials. Among these intermediates, furfural has a higher potential utility. However, furfural is easy to polymerize, and it cannot be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07B35/02C07C5/03C07C15/073C07C15/085C07C15/02C07C17/354C07C25/13C07C41/20C07C43/205C07C13/18C07C13/26C07C15/18C07C45/62C07C49/213C07D307/06B01J27/24
CPCY02P20/52
Inventor 李新昊龚灵红蔡翊宇陈接胜
Owner SHANGHAI JIAO TONG UNIV
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