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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Halopyridines Polyhalopyridines

Introduction to 6-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS No. 1310404-04-6)

6-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine is a sophisticated organic compound that has garnered significant attention in the field of pharmaceutical and chemical research. This compound, identified by its CAS number 1310404-04-6, represents a convergence of fluorine and bromine substitution patterns on a pyridine core, coupled with a boronic ester functionality. The structural motif is particularly intriguing due to its potential applications in cross-coupling reactions, which are pivotal in the synthesis of biologically active molecules.

The pyridine scaffold is a cornerstone in medicinal chemistry, frequently employed in the development of drugs due to its ability to interact with biological targets through hydrogen bonding and hydrophobic effects. The introduction of fluoro and bromo substituents at the 2 and 3 positions, respectively, modulates the electronic properties of the pyridine ring, enhancing its reactivity in various synthetic transformations. Moreover, the presence of a 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl group at the 3-position introduces a boronic ester moiety, which is a critical component for Suzuki-Miyaura cross-coupling reactions—a cornerstone reaction in modern organic synthesis.

Recent advancements in synthetic methodologies have highlighted the utility of such boronic esters in constructing complex molecular architectures. The bromo and fluoro groups serve as versatile handles for further functionalization via palladium-catalyzed reactions. For instance, the Suzuki-Miyaura coupling allows for the introduction of aryl or heteroaryl groups at the boron position, expanding the structural diversity of derivatives. This reactivity has been exploited in the development of novel pharmaceuticals targeting various therapeutic areas.

In the realm of drug discovery, 6-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has been explored as a key intermediate in the synthesis of kinase inhibitors. Kinases are enzymes that play a crucial role in cell signaling pathways and are often implicated in diseases such as cancer. By leveraging its cross-coupling capabilities, researchers have synthesized analogs that modulate kinase activity. The fluoro substituent is particularly noteworthy for its ability to influence metabolic stability and binding affinity when incorporated into drug molecules.

The compound's structural features also make it an attractive candidate for material science applications. For example, its ability to undergo controlled polymerization or incorporation into coordination complexes has been investigated. The boronic ester functionality can participate in dynamic covalent chemistry, enabling the formation of self-healing materials or stimuli-responsive polymers. These applications underscore the versatility of 6-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine beyond traditional pharmaceuticals.

From a synthetic chemistry perspective, this compound exemplifies the strategic use of multiple functional groups to achieve modular construction. The combination of halogenated pyridines with boronic esters provides a powerful platform for iterative synthesis. Recent studies have demonstrated its utility in flow chemistry approaches as well, where controlled reaction conditions enhance yield and purity. Such methodologies align with the growing emphasis on green chemistry principles in industrial applications.

The impact of fluorinated and brominated heterocycles on pharmacological properties cannot be overstated. These elements often enhance lipophilicity and metabolic stability while simultaneously influencing receptor binding affinity. The 6-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1，3，2-dioxaborolan - 2 - yl)pyridine scaffold has been systematically modified by researchers to optimize these properties for drug candidates targeting neurological disorders、inflammatory diseases，and oncological conditions. Its role as a precursor in generating libraries of compounds for high-throughput screening underscores its importance in modern drug discovery pipelines.

The synthesis of this compound involves multi-step processes that highlight contemporary advances in organic synthesis techniques. Key steps include halogenation strategies、borylation reactions，and regioselective modifications。The use of transition metal catalysts，particularly palladium complexes，is central to facilitating these transformations efficiently。Recent innovations have focused on improving catalyst turnover numbers and reducing byproduct formation，thereby enhancing scalability。

The boronic ester functionality also opens avenues for exploring other cross-coupling reactions beyond Suzuki-Miyaura couplings。For instance，Sonogashira、Heck，and Buchwald-Hartwig reactions have been investigated using derivatives of this compound。These reactions expand the toolkit available to synthetic chemists，allowing for further diversification of molecular structures。Such versatility is crucial for addressing complex biological targets that require highly tailored molecular architectures。

In conclusion, 6-Bromo - 2 - fluoro - 3 - ( 4 ， 4 ， 5 ， 5 - tetramethyl - 1 ， 3 ， 2 - dioxaborolan - 2 - yl ) pyridine ( CAS No . 1310404 - 04 - 6 ) stands as a testament to the ingenuity inherent in modern synthetic organic chemistry。Its unique structural features and reactivity make it an invaluable building block for pharmaceuticals、materials science，and beyond。As research continues to uncover new applications，this compound will undoubtedly remain at forefront of scientific innovation。The integration of advanced catalytic systems、green chemistry principles，and computational methods will further enhance its utility，ensuring its relevance across multiple disciplines。

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• 1073353-50-0(5-Bromo-2-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine)
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