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2-Chloro-3,5-Dibromo-4-Methylpyridine: A Comprehensive Overview

2-Chloro-3,5-dibromo-4-methylpyridine (CAS No. 1000017-92-4) is a heterocyclic organic compound with a pyridine ring substituted at positions 2, 3, 4, and 5 with chlorine, bromine, and methyl groups. This compound belongs to the class of halogenated pyridines, which are widely studied for their unique chemical properties and potential applications in various fields such as materials science, pharmacology, and environmental chemistry.

The structure of 2-chloro-3,5-dibromo-4-methylpyridine is characterized by a six-membered aromatic ring with one nitrogen atom at position 1. The substituents at positions 2 (chlorine), 3 (bromine), 4 (methyl), and 5 (bromine) create a highly substituted pyridine derivative. This substitution pattern significantly influences the compound's electronic properties, reactivity, and stability. The presence of multiple halogen atoms introduces electron-withdrawing effects, which can enhance the compound's ability to participate in various chemical reactions.

Recent studies have highlighted the potential of halogenated pyridines in the development of advanced materials. For instance, 2-chloro-3,5-dibromo-4-methylpyridine has been explored as a precursor for synthesizing coordination polymers and metal-organic frameworks (MOFs). These materials exhibit exceptional porosity and stability, making them promising candidates for gas storage and separation applications. The bromine and chlorine substituents in the molecule play a crucial role in tuning the coordination environment around metal ions, thereby influencing the overall structure and properties of the resulting materials.

In the field of pharmacology, halogenated pyridines are gaining attention due to their potential as drug candidates. 2-Chloro-3,5-dibromo-4-methylpyridine has been investigated for its biological activity against various pathogens. The methyl group at position 4 contributes to the molecule's lipophilicity, enhancing its ability to cross cellular membranes and interact with target proteins. Additionally, the halogen atoms at positions 2 and 5 can act as bioisosteric replacements for other functional groups, offering flexibility in drug design.

Environmental applications of halogenated pyridines are another area of active research. 2-Chloro-3,5-dibromo-4-methylpyridine has been studied as a catalyst in oxidation reactions involving environmental pollutants such as polycyclic aromatic hydrocarbons (PAHs). The bromine atoms in the molecule facilitate electron transfer processes, enabling efficient degradation of these pollutants under mild conditions. This property makes the compound a valuable tool in environmental remediation efforts.

The synthesis of 2-chloro-3,5-dibromo-4-methylpyridine typically involves multi-step reactions starting from pyridine or its derivatives. Common methods include nucleophilic substitution reactions using brominating agents such as N-bromosuccinimide (NBS) or bromine gas under specific conditions. The introduction of chlorine at position 2 often requires careful control of reaction conditions to ensure selective substitution without affecting other positions on the ring.

Despite its promising applications, the handling and storage of halogenated pyridines require caution due to their chemical reactivity. Proper safety protocols should be followed to minimize exposure risks and ensure safe handling practices in laboratory settings.

• 917969-40-5(Pyridine, 3-bromo-2-chloro-4-(4-chlorophenyl)-)
• 778611-64-6(5-Bromo-2-chloro-4-methylpyridine)
• 1935951-83-9(3-bromo-2,6-dichloro-4-methyl-pyridine)
• 778611-65-7(5-Bromo-4-(bromomethyl)-2-chloropyridine)
• 1227509-46-7(Pyridine, 3-bromo-4-(bromomethyl)-2-chloro-)
• 1227402-54-1(5,5'-dibromo-2,2'-dichloro-[4,4']bipyridinyl)
• 1227602-82-5(3-Bromo-2-chloropyridine-4-carboxaldehyde)
• 1227402-55-2(5-bromo-2,2'-dichloro-[4,4']bipyridinyl)
• 55404-31-4(3-bromo-2-chloro-4-methylpyridine)
• 915946-47-3(3,5-Dibromo-2-chloro-4,6-dimethylpyridine)