PdCl2(dppf) Powder CAS 72287-26-4

DPPF palladium dichloride (CAS number: 72287-26-4) is an important palladium catalyst, with the chemical formula C ∝₄ H ₂₈ Cl ₂ FeP ₂ Pd and a molecular weight of 731.7. PdCl2 (dppf) Powder is an orange red to reddish brown solid, which is a complex formed by 1,1'-Bis(diphenylphosphino)ferrocene (dppf) and palladium chloride. Clinical studies have found that it has the characteristics of good air stability, high catalytic activity, and strong ligand adjustability. The ferrocene skeleton of dppf ligand provides electronic effects and steric hindrance, making it exhibit excellent catalytic performance in various coupling reactions, and relatively stable to air and moisture. Its ease of operation is superior to some palladium catalysts.

What is the purpose of PdCl2(dppf) Powder?

PdCl2 (dppf) Powder is one of the most widely used palladium catalysts in organic synthesis. Its main uses include: as an efficient catalyst for Suzuki-Miyaura coupling reaction, it catalyzes the formation of C-C bonds between arylboronic acid and aryl/alkenyl halides, which plays an irreplaceable role in the synthesis of drug molecules, natural products and functional materials; Used in Buchwald-Hartwig amination reaction to realize C-N bond coupling between aryl halides and amine compounds is the key method to construct nitrogen-containing heterocycles and drug skeletons. In addition, it also showed excellent catalytic activity in cross-coupling reactions such as Heck reaction (olefin arylation), Sonogashira coupling (alkynylation) and Miyaura boronization reaction. DPPF palladium dichloride powder is core advantage lies in the electronic effect and steric hindrance provided by dppf ligand, which makes the catalyst have high activity, good air stability and universality of substrates, and is especially suitable for water-oxygen sensitive reaction systems. The catalyst is widely used in the synthesis of anti-tumor drugs, antiviral drugs, OLED materials, organic photoelectric functional molecules and other fields, and is an important tool for constructing complex molecular skeletons.

What is the latest research direction of PdCl2(dppf) Powder?

The latest research direction of PdCl2(dppf) Powder mainly focuses on three dimensions: ligand structure optimization and functionalization, new catalytic system construction, and green and sustainable catalytic application. In terms of ligand design, the research hotspots in 2024-2025 include: developing new palladium catalysts with high activity and high selectivity (such as PD (DTBPF) Cl and chiral dppf derivatives) by introducing sterically hindered groups (such as tert-butyl and adamantyl) or chiral modification of dppf ligand skeleton, which are used for coupling reactions and asymmetric catalysis of challenging substrates; In the innovation of catalytic system, the new application of DPPF palladium dichloride powder complex in photocatalysis, electrocatalysis and multi-component reaction, as well as the synergistic catalytic system with other metals (such as nickel and copper) were explored. In the direction of green chemistry, the recovery and reuse of catalyst, low catalyst loading reaction and catalytic performance in water phase or solvent-free conditions are studied to promote the sustainability of industrial application. In addition, the in-depth analysis of the catalytic mechanism of PdCl₂(dppf) complexes (such as the characterization of monovalent palladium intermediates and DFT calculation of reaction paths) is also an important direction of basic research at present, which provides theoretical support for the rational design of catalysts.

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FAQ:

Q1: Why doesn't its reaction start or its yield is low?
Possible reasons: deactivation of catalyst, low activity of substrate, improper selection of alkali or solvent, influence of oxygen or moisture, insufficient temperature, etc. Suggestions: check the color and solubility of catalyst, optimize the reaction conditions, strictly remove oxygen and water, increase the dosage of catalyst or replace ligands.
Q2: Can it be combined with other ligands?
Yes, but it needs to pass the pre-experimental evaluation. The dppf ligand itself has provided good catalytic performance. If it is necessary to adjust the electronic or spatial effect, it can be considered to be used in combination with other phosphine ligands (such as XPhos and SPhos) or nitrogen ligands.
Q3: Is it sensitive to air? Is it necessary to operate strictly without water and oxygen?
Although the catalyst is stable to air (it can be exposed for a short time), it is strongly recommended to operate under the protection of inert gas, especially the reaction substrate sensitive to water and oxygen. The reaction system needs strict oxygen and water removal to ensure the best catalytic activity and reproducibility.

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