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The uses of commonly used precious metal Palladium group catalysts

Views: 368     Author: Site Editor     Publish Time: 2023-02-10      Origin: Site

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The uses of commonly used precious metal Palladium group catalystsmellie

Palladium is considered a rare metal and makes up only about 1 part per 100 million parts of the earth's crust. Although it is rarely found in pure form, it is considered the 77th most abundant element on earth. Palladium is characterized by its high hydrogen absorption, which makes it used as a catalyst in reduction processes in the form of palladium sponge or palladium black. Unlike other platinum metals, palladium is much less resistant to chemicals. Palladium catalysts are precious metal catalysts made with palladium as the main active component. It is second only to platinum in the platinum metal catalysts. Palladium catalysts show good activity in hydrogenation, oxidation, dehydrogenation, hydrogenolysis reactions, etc. There are two main forms of palladium catalysts: compound and carrier-loaded.

887919-35-9 Pd(aMphos)Cl2 Bis[(dibutyl)-(4-(N,N-dimethylamino)phenyl)phosphine] palladium dichloride is a Suzuki catalyst used in the preparation of the Suzuki-Miyaura coupling reaction in the anti-tumor drug Aflibercept.

51364-51-3 Tri(di-sec-butylketo) palladium (0) is an important zero-valent palladium catalyst widely used in organic synthesis for coupling, hydrogenation, carbonylation reactions, etc. By combining with different ligands, zero-valent palladium active species with high catalytic activity can be formed in situ. It is widely used in carbon-carbon bond and carbon-heteroatom bond formation reactions. It has high catalytic activity in the coupling of chloroarenes with boronic acids. It can also be used for Stille coupling of chloroarenes with organic tin, Heck cross-coupling of chloroarenes with olefins, and asymmetric Heck arylation of intramolecular olefins. Such reactions have a wide range of applications in synthesizing polymers, liquid crystal materials, functional materials, drugs, and biologically active compounds.

7440-05-3 Palladium on carbon has the characteristics of high hydrogenation reduction, good selectivity, stable performance, low feeding ratio during use, reusable, and easy to recycle. It is widely used in hydrogenation refinement processes in the petroleum, pharmaceutical, electronic, fragrance, dye and other fine chemical industries.

72287-26-4 DPPFPdcl2 [1,1'-Bis(diphenylphosphino)ferrocene]dichloropalladium(II) is a palladium complex containing the iron ligand - dppf. It is a commercially available reagent that is commonly used in palladium-catalyzed coupling reactions. DPPF dichloride palladium can be widely used as a catalyst in the fields of organic chemistry, pharmaceutical chemistry, and liquid crystal material synthesis.

3375-31-3 Palladium acetate is a widely used palladium compound. In addition to being an important raw material for palladium plating baths and gas-sensitive materials and a raw material for synthesizing other palladium compounds, it mainly serves as a key step catalyst in the synthesis of drugs or pharmaceutical intermediates. It is mainly used for alkene aromaticization reactions (Heck reaction), cross-coupling reactions, and Suzuki coupling reactions. It can also be applied to the reaction of enone with 2-alcohol oxidation to synthesize ketones. It has a great use in the industries of cyclohexanone, succinic acid, and succinamide and is also used in the synthesis of nonlinear optical materials.

13965-03-2 is used as a catalyst in Suzuki, Kumada, Negishi, and other coupling reactions. Due to its palladium content, Dichlorobis (triphenylphosphine) palladium (II) is mainly used in organic metal catalyzed reactions. It also participates in the crystal structure of metal complexes, showing anti-inflammatory and antifungal properties.

7647-10-1 is used in the preparation of special catalysts, molecular sieves, preparation of non-conductive material coatings, and the production of gas-sensitive components, etc. It is used as an analytical reagent. It is mainly used in the manufacture of special product catalysts, molecular sieves, surface activators for non-conductive material coatings, and the production of gas-sensitive components, etc. It is mainly used as a catalyst for ethylene oxide production and other palladium catalysts. It is used for the manufacture of molecular sieves, surface activators for non-conductive material coatings, and for the production of gas-sensitive components, etc.

14221-01-3 is a specialized catalyst for the synthesis of pharmaceuticals and pesticides (aminomethyl aureomycin benzonic acid salt). It is widely used in important isomerization reactions and as a horizontal coupling reaction catalyst. It is used as a catalyst in Suzuki, Kumada, Negishi and other coupling reactions.

53199-31-8 Dibutyltin(III) bis(trimethylphosphine) is used as a catalyst in Suzuki, Kumada, Negishi, Buchwald and other coupling reactions.

19978-61-1 Dichlorodioxo(phenyl-2-phenylphosphine)platinum(II) is widely used in the hydrogenation of alkenes, the hydrogen reduction of nitrobenzenes, the oxidation of alkenes, the carboxylic acid formation of alkenes, the coupling of format reagents and halogenated hydrocarbons, so the demand for this complex is large in plastics, pharmaceuticals and other fields.

14024-61-4 Dibutyltin(II) diacetate is used in carbonyl formation and low polymerization reactions.

32005-36-0 Bis(benzylphenylketone) dibutyl tin is a compound used as a component of potential meter membrane sensors, selectively determining the presence of thiocyanate salts in smoker's urine. Bis(benzylphenylketone) dibutyl tin is also one of the homogeneous catalysts for synthesizing tricyclopentadiene from dicyclopentadiene. It is used as a catalyst in Suzuki, Kumada, Negishi and other coupling reactions.

51364-51-3 Palladium Bis(2-phenylacetylacetonate) as a catalyst, used in Suzuki, Kumada, Negishi, Buchwald coupling reactions, etc. Palladium Bis(2-phenylacetylacetonate) is used in the preparation of semiconductor polymers, processing from non-chlorinated solvents into high-performance thin-film transistors. It is also used as a semiconductor in the synthesis of heterojunction polymer solar cells.

1314-08-5 Palladium Oxide 1. Aromatic aldehyde deoxygenation 2. Hydrogen adsorption preparation additive 3. Low-resistance range resistor in electronic industry 4. Raw material for electronic industry thick film circuit material and components such as potentiometers.

95464-05-4 [1,1'-Bis(diphenylphosphino)ferrocene] dichloropalladium dichloromethane complex is an organometallic compound that can be used as a precious metal catalyst and in carbonylative reactions, cross-coupling reactions, and Suzuki reactions.

10102-05-3 Palladium nitrate can be used as a catalyst for olefin nitration to produce ethylene glycol dinitrate; it can also be used as a precursor for Pd catalysts; used as an analytical reagent and oxidant; also used for the separation of chlorine and iodine; also used as an active component in the preparation of automobile exhaust catalysts.

12012-95-2 Chloroallylpalladium(II) Dimer Applications 1. Pre-catalyst for silane hydrogenation of olefins with regioselective hydrogenation. 2. Pre-catalyst for asymmetric alkylation and amination of cyclopropyl acetic acid salts. 3. Cross-coupling reaction catalyst. 4. Dimer can be used as Trost ligand. 5. Useful precursor for highly regioselective alkylation and amination of propene. 6. Olefin stannane alkylation catalyst.