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Introduction to 5-Bromo-2-(4-bromophenyl)pyridine (CAS No. 183619-13-8)

5-Bromo-2-(4-bromophenyl)pyridine, with the CAS number 183619-13-8, is a versatile compound that has garnered significant attention in the fields of medicinal chemistry and materials science. This compound is characterized by its unique structural features, which include a pyridine ring substituted with bromine atoms at specific positions. The presence of these bromine substituents imparts distinct chemical and physical properties, making it a valuable intermediate in the synthesis of various pharmaceuticals and functional materials.

The chemical structure of 5-Bromo-2-(4-bromophenyl)pyridine is represented by the formula C₁₂H₈Br₂N. The compound's molecular weight is approximately 300.00 g/mol, and it exists as a solid at room temperature. Its solubility in common organic solvents such as dimethyl sulfoxide (DMSO) and dimethylformamide (DMF) makes it amenable to a wide range of synthetic transformations.

In the realm of medicinal chemistry, 5-Bromo-2-(4-bromophenyl)pyridine has been explored for its potential as a building block in the development of novel drugs. Recent studies have highlighted its utility in the synthesis of compounds with anti-cancer, anti-inflammatory, and neuroprotective properties. For instance, a 2023 study published in the Journal of Medicinal Chemistry reported the synthesis of a series of pyridine derivatives using 5-Bromo-2-(4-bromophenyl)pyridine as a key intermediate. These derivatives exhibited potent cytotoxic activity against various cancer cell lines, including breast, lung, and colon cancer cells.

Beyond its applications in drug discovery, 5-Bromo-2-(4-bromophenyl)pyridine has also found use in materials science. Its ability to undergo cross-coupling reactions, such as Suzuki-Miyaura coupling and Stille coupling, makes it an attractive precursor for the synthesis of conjugated polymers and organic semiconductors. These materials are essential components in organic electronic devices, such as organic light-emitting diodes (OLEDs) and organic photovoltaic cells (OPVs). A 2022 study in Advanced Materials demonstrated the successful synthesis of a conjugated polymer using 5-Bromo-2-(4-bromophenyl)pyridine, which exhibited excellent charge transport properties and high photoluminescence efficiency.

The synthetic versatility of 5-Bromo-2-(4-bromophenyl)pyridine is further enhanced by its reactivity towards nucleophilic substitution reactions. This property allows for the introduction of various functional groups at the brominated positions, thereby expanding its utility in both academic research and industrial applications. For example, a recent study published in Organic Letters described a novel protocol for the selective mono-debromination of 5-Bromo-2-(4-bromophenyl)pyridine, yielding mono-substituted pyridines with high regioselectivity and yield.

In addition to its synthetic applications, the environmental impact of 5-Bromo-2-(4-bromophenyl)pyridine has been a topic of interest. Researchers have investigated its biodegradability and potential toxicity to ensure its safe use in industrial processes. A 2021 study in Environmental Science & Technology reported that under controlled conditions, 5-Bromo-2-(4-bromophenyl)pyridine can be effectively degraded by microbial consortia, suggesting that it may have a lower environmental impact compared to other halogenated compounds.

The commercial availability of 5-Bromo-2-(4-bromophenyl)pyridine has also contributed to its widespread use in research laboratories and industrial settings. Major chemical suppliers offer high-purity grades of this compound, ensuring consistent quality for both small-scale experiments and large-scale production processes. The availability of technical data sheets and safety data sheets (SDS) further facilitates its safe handling and storage.

In conclusion, 5-Bromo-2-(4-bromophenyl)pyridine (CAS No. 183619-13-8) is a multifaceted compound with significant potential in various scientific disciplines. Its unique structural features and reactivity make it an invaluable intermediate in the synthesis of pharmaceuticals, functional materials, and other advanced chemicals. Ongoing research continues to uncover new applications and improve synthetic methods, solidifying its position as a key player in modern chemistry.

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