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Brief description of palladium catalyst

Add time：2022-04-02 16:36 Views：
Palladium catalyst (English name palladium catalyst) is a kind of metal palladium as the main active component, using palladium black or palladium salts to support palladium on alumina, zeolite and other supports, with sodium, cadmium, lead and other salts as the help. Catalyst, a variety of catalysts made, is a kind of catalyst often used in chemical and chemical reaction processes. It has high catalytic activity, strong selectivity, convenient preparation of catalysts, and small amount of use. It can be changed and improved by the manufacturing method. Metal or co-catalyst active components are formulated to optimize performance.

Organic chemistry tests show that Pd-B/C has high catalyst activity and reliability, and the comprehensive performance is significantly better than commercial pure Pd/C metal catalysts and Pd/C metal catalysts prepared by using NaBH4 as oxidant .

The palladium metal catalyst has a wide range of applications, can be regenerated and activated repeatedly, has a long service life, and the metal palladium of the waste catalyst can be recycled and reused. The wide application of palladium catalysts improves many industrial production processes, simplifies technological processes, and improves economic benefits.

application:
1. Pd-catalyzed coupling reaction
The use of palladium to catalyze the coupling reaction can solve the problems caused by the traditional homogeneous catalytic system, such as the difficulty of separation of reaction products and the inability to reuse the catalyst, and has a very good application. The most representative palladium-catalyzed coupling reactions are the Heck reaction and the Suzuki coupling reaction.
 
2. Pd-catalyzed cycloaddition reaction
[4+2] cycloaddition catalyzed by palladium complexes has the remarkable characteristics of less catalyst dosage, high yield, good selectivity, and mild reaction conditions, and has become a hot research topic in [4+2] cycloaddition. . The [4+2] cycloaddition reaction catalyzed by palladium chiral Lewis acid has made a breakthrough in research.

3. Pd-catalyzed reaction of diazonium compounds
The decomposition and subsequent reactions of diazonium compounds under the action of transition metal catalysts have been widely used in organic synthesis. Recent studies have shown that palladium complexes can catalyze some novel reactions of diazonium compounds.

Wuhan LPBchem Technology Co.,Ltd is focused on the research and development and production of palladium metal catalysts. At present, the company has a wide range of products, which fully meet the production needs of the majority of pharmaceutical and chemical enterprises and help the development of the industry.
 
 
 

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