• 1. Grafting polymers by enzymatic ring opening polymerisation—maximising the grafting efficiency
  Silvia Villarroya,Katarzyna Dudek,Jiaxiang Zhou,Derek J. Irvine,Steven M. Howdle J. Mater. Chem. 2008 18 989
• 2. Grafting polymers by enzymatic ring opening polymerisation—maximising the grafting efficiency
  Silvia Villarroya,Katarzyna Dudek,Jiaxiang Zhou,Derek J. Irvine,Steven M. Howdle J. Mater. Chem. 2008 18 989
• 3. The importance of multiple scattering pathways involving the absorbing atom in the interpretation and analysis of metal K-edge XAFS data of co-ordination compounds
  Anna van der Gaauw,Owen M. Wilkin,Nigel A. Young J. Chem. Soc. Dalton Trans. 1999 2405
• 4. Complexes of Ni(i): a “rare” oxidation state of growing importance
  Chun-Yi Lin,Philip P. Power Chem. Soc. Rev. 2017 46 5347
• 5. Conformational chiral polymorphism in cis-bis-triphenylphosphine complexes of transition metals
  Never Tshabang,Gaone P. Makgatle,Susan A. Bourne,Nina Kann,Jack D. Evans,Fran?ois-Xavier Coudert,Lars ?hrstr?m CrystEngComm 2018 20 5137

• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Phenylphosphines and derivatives
• Catalysts and Inorganic Chemicals Inorganic Compounds Salt
• Catalysts and Inorganic Chemicals Inorganic Compounds

Nickel(II) Bromide Bis(Triphenylphosphine): A Comprehensive Overview

Nickel(II) bromide bis(triphenylphosphine), with the CAS number 14126-37-5, is a versatile organometallic compound that has garnered significant attention in the fields of catalysis, materials science, and coordination chemistry. This compound, often abbreviated as NiBr?(PPh?)?, is a key player in modern chemical research due to its unique electronic properties and catalytic applications. In this article, we delve into the latest research findings, structural insights, and practical applications of Nickel(II) bromide bis(triphenylphosphine), providing a comprehensive understanding of its role in contemporary chemistry.

The molecular structure of NiBr?(PPh?)? consists of a central nickel(II) ion coordinated by two bromide ligands and two triphenylphosphine (PPh?) ligands. This arrangement results in a tetrahedral geometry around the nickel center, which is crucial for its catalytic activity. Recent studies have highlighted the importance of the steric and electronic effects of the PPh? ligands in modulating the reactivity of the nickel center. For instance, researchers have demonstrated that the bulky PPh? groups can stabilize reactive intermediates during catalytic cycles, making this compound highly effective in cross-coupling reactions.

One of the most notable applications of NiBr?(PPh?)? is in the field of catalysis, particularly in the Heck reaction—a widely used method for forming carbon-carbon bonds. Recent advancements have shown that this compound can be employed as a pre-catalyst in various coupling reactions, including Suzuki-Miyaura and Stille couplings. The ability of Nickel(II) bromide bis(triphenylphosphine) to activate aryl halides under mild conditions has made it an invaluable tool in organic synthesis. Moreover, its use in asymmetric catalysis has opened new avenues for producing enantioselective products, which are critical in pharmaceutical and agrochemical industries.

In addition to its catalytic applications, NiBr?(PPh?)? has found utility in materials science. For example, it has been employed as a precursor for synthesizing nickel-based nanoparticles with tailored properties. These nanoparticles exhibit exceptional magnetic and electronic characteristics, making them suitable for applications in sensors, data storage devices, and energy conversion technologies. Recent research has focused on optimizing the synthesis conditions to achieve uniform particle sizes and enhanced stability.

The coordination chemistry of NiBr?(PPh?)? has also been extensively studied. Scientists have explored its ability to act as a precursor for generating various nickel complexes with different ligand environments. For instance, substitution reactions involving NiBr?(PPh?)? have led to the formation of complexes with nitrogen-based ligands such as pyridine or imidazole derivatives. These derivatives exhibit unique spectroscopic properties and have been utilized in fluorescence sensing applications.

From an environmental perspective, understanding the stability and degradation pathways of NiBr?(PPh?)? is crucial for ensuring safe handling and disposal practices. Recent studies have investigated the compound's behavior under various environmental conditions, revealing that it undergoes hydrolysis under alkaline conditions to form less hazardous byproducts. These findings are essential for developing eco-friendly industrial processes that utilize this compound.

In conclusion, Nickel(II) bromide bis(triphenylphosphine) (CAS No. 14126-37-5) stands as a testament to the ingenuity of modern organometallic chemistry. Its diverse applications across catalysis, materials science, and coordination chemistry continue to drive innovation across multiple industries. As research progresses, we can expect even more groundbreaking discoveries that further enhance our understanding and utilization of this remarkable compound.

• 1779-49-3(Methyltriphenylphosphonium bromide)
• 61814-58-2(Nickel(2+);triphenylphosphane;diiodide)
• 6399-81-1(Triphenylphosphine hydrobromide)
• 15133-82-1(Tetrakis(triphenylphosphine)nickel)
• 1486-28-8(Methyldiphenylphosphine)
• 14243-65-3(bromo(triphenylphosphine)gold)
• 13007-90-4(dicarbonylbis(triphenylphosphine)nickel)
• 14973-89-8(bromotris(triphenylphosphine)rhodium(I))
• 39319-11-4(Diphenyl(4-vinylphenyl)phosphine-divinylbenzene-styrene copolymer)
• 2751-90-8(tetraphenylphosphanium bromide)