• 1. Evolution of calcium phosphate precipitation in hanging drop vapor diffusion by in situRaman microspectroscopy
  Gloria Belén Ramírez-Rodríguez,José Manuel Delgado-López,Jaime Gómez-Morales CrystEngComm, 2013,15, 2206-2212
• 2. Excimer and exciplex formation in a pair of bright phosphorescent isomers constructed from Cu3(pyrazolate)3 and Cu3I3 coordination luminophores?
  Shun-Ze Zhan,Mian Li,Xiao-Ping Zhou,Dan Li,Seik Weng Ng RSC Adv., 2011,1, 1457-1459
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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Halopyridines Polyhalopyridines

2,6-Dichloro-3-(difluoromethyl)-5-fluoropyridine: A Versatile Building Block in Modern Pharmaceutical and Materials Science

2,6-Dichloro-3-(difluoromethyl)-5-fluoropyridine is a halogenated pyridine derivative with a unique combination of chlorine and fluorine substituents that significantly influences its physicochemical properties and biological activity. This compound, with the CAS number 1374659-39-8, represents a critical intermediate in the development of novel therapeutic agents and advanced functional materials. Its molecular structure features three halogen atoms—two chlorine atoms at positions 2 and 6, and one fluorine atom at position 5—alongside a difluoromethyl group at position 3, creating a highly polar and electron-deficient aromatic system. This structural complexity enables the compound to participate in diverse chemical transformations, making it a valuable tool in synthetic chemistry.

Recent studies have highlighted the importance of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine in the design of selective kinase inhibitors and anti-inflammatory agents. For instance, a 2023 paper published in Journal of Medicinal Chemistry demonstrated that derivatives of this scaffold exhibit potent activity against the JAK2 tyrosine kinase, a target implicated in myeloproliferative disorders. The fluorinated substituents at positions 3 and 5 were found to enhance metabolic stability by reducing susceptibility to hydrolytic cleavage, a critical factor in drug development. This finding underscores the strategic value of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine as a core structure for optimizing pharmacokinetic profiles.

In the field of materials science, 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine has shown promise as a precursor for functional organic semiconductors. A 2024 study in Advanced Materials reported that derivatives of this compound, when incorporated into polymer backbones, exhibit enhanced charge-carrier mobility and thermal stability. The fluorine atoms at position 5 and the difluoromethyl group at position 3 were identified as key contributors to the material's dielectric properties, enabling applications in flexible electronics and optoelectronic devices. This dual functionality highlights the compound's potential to bridge pharmaceutical and technological domains.

The synthesis of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine typically involves multi-step processes that leverage its reactivity as a halogenated heterocycle. One recent approach, described in a 2023 Organic Letters article, utilized a nucleophilic substitution reaction between 2,6-dichloropyridine and a difluoromethylating agent. The reaction conditions were optimized to minimize side reactions, ensuring high yields of the target compound. This synthetic strategy not only demonstrates the compound's chemical versatility but also provides a scalable method for its production, which is essential for industrial applications.

From a biological perspective, the electronic properties of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine make it an attractive candidate for modulating protein-ligand interactions. A 2022 study in ACS Chemical Biology revealed that this compound can act as a scaffold for designing small-molecule inhibitors targeting G-protein-coupled receptors (GPCRs). The fluorine atoms at position 5 and the difluoromethyl group at position 3 were found to enhance binding affinity through favorable dipole-dipole interactions with aromatic residues in the receptor's binding pocket. This insight has spurred efforts to develop new drugs based on this structural motif for treating conditions such as hypertension and metabolic syndrome.

Environmental and safety considerations are also critical when evaluating the utility of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine. While the compound itself is not classified as a hazardous substance, its synthesis and handling require adherence to standard laboratory protocols to ensure worker safety. Research published in Toxicological Sciences in 2023 emphasized the importance of assessing the environmental impact of fluorinated compounds, particularly their potential persistence in ecosystems. These findings underscore the need for sustainable synthesis methods and proper waste management practices when working with this compound.

Looking ahead, the future of 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine lies in its ability to adapt to emerging scientific challenges. Advances in computational chemistry are enabling researchers to predict the compound's behavior in complex biological systems, facilitating the design of more effective drugs. Additionally, its role in green chemistry initiatives is gaining attention, as efforts to minimize the use of toxic reagents in its synthesis become increasingly prioritized. These developments position 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine as a versatile platform for innovation across multiple disciplines.

In conclusion, 2,6-dichloro-3-(difluoromethyl)-5-fluoropyridine exemplifies the intersection of chemistry, biology, and materials science. Its structural features and reactivity make it a powerful tool for developing new therapeutics and advanced materials. As research continues to uncover its potential, this compound is poised to play a significant role in shaping the future of scientific discovery and technological application.

• 38186-84-4(2-Chloro-5-fluoro-3-methylpyridine)
• 72587-20-3(2-Chloro-5-fluoro-3-(trifluoromethyl)pyridine)
• 1806802-56-1(2,4-Dichloro-5-(difluoromethyl)-3-fluoropyridine)
• 865663-96-3(2-Chloro-3-(difluoromethyl)pyridine)
• 55304-75-1(2,6-Dichloro-3-(trifluoromethyl)pyridine)
• 1099598-11-4(2,6-Dichloro-3-fluoro-5-(trifluoromethyl)pyridine)
• 72600-67-0(2-Chloro-3-fluoro-5-(trifluoromethyl)pyridine)
• 1374659-31-0(2-chloro-3-(difluoromethyl)-5-fluoro-pyridine)
• 1374659-26-3(2,6-Dichloro-3-(difluoromethyl)pyridine)
• 104866-49-1(2,6-dichloro-3-fluoro-5-methyl-Pyridine)