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Comprehensive Overview of 5-bromo-6-methyl-3-nitro-pyridin-2-amine (CAS No. 68957-50-6): Properties, Applications, and Industry Insights

5-bromo-6-methyl-3-nitro-pyridin-2-amine (CAS No. 68957-50-6) is a specialized heterocyclic compound belonging to the nitropyridine family. This organic intermediate has garnered significant attention in pharmaceutical and agrochemical research due to its unique molecular structure, featuring a bromine substituent, methyl group, and nitro functionality on a pyridine backbone. The compound's chemical formula (C₆H₆BrN₃O₂) and molecular weight of 232.04 g/mol make it a versatile building block for synthesizing complex molecules.

Recent trends in drug discovery highlight the growing demand for nitrogen-containing heterocycles like 5-bromo-6-methyl-3-nitro-pyridin-2-amine. Pharmaceutical researchers frequently search for "pyridine derivatives in medicinal chemistry" or "brominated nitropyridine applications," reflecting the compound's relevance in developing kinase inhibitors and antimicrobial agents. The electron-withdrawing nitro group and nucleophilic amine create unique reactivity patterns that enable diverse structural modifications.

From a synthetic chemistry perspective, this compound serves as a precursor for cross-coupling reactions, particularly Buchwald-Hartwig aminations and Suzuki-Miyaura couplings. Laboratories optimizing "halogenated pyridine reactions" or "nitro group reduction methods" often utilize 68957-50-6 as a model substrate. The methyl group at position 6 introduces steric considerations that influence regioselectivity in subsequent transformations.

Analytical characterization of 5-bromo-6-methyl-3-nitro-pyridin-2-amine typically involves HPLC purity analysis, NMR spectroscopy (showing characteristic shifts at 8.2 ppm for H4 and 2.5 ppm for the methyl protons), and mass spectrometry. Quality control protocols for this fine chemical emphasize monitoring residual solvents and isomeric impurities, addressing common queries about "CAS 68957-50-6 specifications" in procurement documents.

The compound's physicochemical properties include a melting point range of 145-148°C and moderate solubility in polar aprotic solvents like DMSO or DMF. These characteristics make it suitable for high-throughput screening platforms, particularly in searches for "fragment-based drug design libraries." The bromine atom provides an excellent handle for palladium-catalyzed transformations, while the nitro group can be selectively reduced to amines or converted to other functionalities.

In material science applications, researchers exploring "nitropyridine-based ligands" or "coordination complexes" value 5-bromo-6-methyl-3-nitro-pyridin-2-amine for its potential in creating chelating agents. The compound's electron-deficient ring system facilitates interactions with transition metals, making it relevant for catalytic systems and molecular electronics development.

From a supply chain perspective, manufacturers emphasize GMP-compliant synthesis routes for 68957-50-6, responding to industry demands for "high-purity nitropyridine derivatives." The global market shows increasing interest in this building block, particularly from regions specializing in contract research and custom synthesis services. Proper storage conditions (typically 2-8°C under inert atmosphere) and handling protocols are frequently discussed in technical datasheets.

Emerging applications in bioconjugation chemistry have expanded the utility of 5-bromo-6-methyl-3-nitro-pyridin-2-amine, particularly in designing fluorescent probes and bioorthogonal reagents. The compound's ability to participate in click chemistry reactions aligns with current trends toward "modular molecular construction" strategies. Researchers often inquire about "nitropyridine reactivity patterns" when planning multi-step syntheses.

Environmental and green chemistry considerations have prompted investigations into catalytic bromination methods for producing this intermediate. Modern synthetic methodologies aim to reduce hazardous waste generation during the preparation of brominated pyridines, addressing sustainability concerns raised in "eco-friendly heterocycle synthesis" discussions.

Patent literature reveals growing intellectual property activity surrounding 68957-50-6, particularly in biologically active compounds for treating inflammatory conditions. The structural motif appears in several clinical candidates, driving demand for reliable scale-up processes. Analytical challenges such as "nitropyridine isomer separation" and "trace impurity profiling" remain active research areas for quality assurance.

In educational contexts, 5-bromo-6-methyl-3-nitro-pyridin-2-amine serves as an excellent case study for aromatic substitution effects and directed metalation principles. Chemistry educators frequently search for "pyridine reactivity demonstrations" and "multifunctional heterocycle examples" to illustrate advanced organic reaction mechanisms.

The future outlook for CAS 68957-50-6 appears promising, with potential applications in proteolysis targeting chimeras (PROTACs) and covalent inhibitor development. As structure-activity relationship studies become more sophisticated, the demand for precisely functionalized nitropyridine building blocks like this compound will likely increase across multiple life science sectors.

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