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• 2. Fe(ii)-Assisted one-pot synthesis of ultra-small core–shell Au–Pt nanoparticles as superior catalysts towards the HER and ORR?
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• 3. Elusive 2-aminofuran Diels–Alder substrates for a straightforward synthesis of polysubstituted anilines?
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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles Phenylpyrazoles
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles Pyrazoles Phenylpyrazoles

4-(4-Methyl-1H-pyrazol-1-yl)aniline (CAS No. 806632-06-4): A Versatile Building Block in Modern Chemistry

4-(4-Methyl-1H-pyrazol-1-yl)aniline (CAS No. 806632-06-4) is an important heterocyclic aromatic amine with a wide range of applications in pharmaceutical, agrochemical, and material science industries. This compound, also known as 4-(4-Methylpyrazol-1-yl)aniline, features a unique molecular structure combining an aniline moiety with a 4-methylpyrazole ring, making it a valuable chemical intermediate for various synthetic pathways.

The growing interest in pyrazole-containing compounds has positioned 4-(4-Methyl-1H-pyrazol-1-yl)aniline as a key player in drug discovery programs. Recent studies highlight its potential as a pharmacophore in developing kinase inhibitors, particularly for cancer therapies. The compound's electron-rich aromatic system enables diverse functionalization reactions, allowing medicinal chemists to create targeted molecules with improved bioavailability and selectivity.

In material science, 806632-06-4 serves as a precursor for functional polymers and organic electronic materials. Its dual functionality (amine and heterocycle) facilitates the synthesis of conjugated systems with tunable optoelectronic properties. Researchers are exploring its use in OLED materials, where the 4-methylpyrazole unit enhances electron transport characteristics while the aniline group provides synthetic flexibility.

The synthesis of 4-(4-Methyl-1H-pyrazol-1-yl)aniline typically involves nucleophilic aromatic substitution reactions between 4-fluoronitrobenzene and 4-methylpyrazole, followed by reduction of the nitro group. Modern green chemistry approaches are being developed to optimize this process, addressing growing concerns about sustainable chemical production and waste minimization in the industry.

Analytical characterization of 806632-06-4 reveals interesting spectroscopic properties. The compound shows characteristic NMR signals for both aromatic systems (δ 7.5-8.0 ppm for pyrazole protons and δ 6.5-7.0 ppm for aniline protons) and distinct mass spectral fragmentation patterns. These features make it easily identifiable in complex reaction mixtures, supporting its use in high-throughput screening applications.

Recent patent literature demonstrates the commercial value of 4-(4-Methyl-1H-pyrazol-1-yl)aniline, with applications ranging from corrosion inhibitors to photovoltaic materials. The compound's thermal stability (decomposition temperature >250°C) and solubility profile (soluble in common organic solvents but sparingly soluble in water) make it particularly useful for various industrial formulations.

From a regulatory perspective, 806632-06-4 is not currently classified as hazardous under major chemical inventories. However, proper laboratory handling procedures should always be followed when working with any fine chemicals. The compound's safety data indicates moderate irritation potential, emphasizing the need for appropriate personal protective equipment during handling.

The market for pyrazole derivatives like 4-(4-Methyl-1H-pyrazol-1-yl)aniline is projected to grow significantly, driven by increasing demand in pharmaceutical intermediates and advanced materials. Manufacturers are responding with improved synthetic protocols and purification methods to meet the needs of research and industrial users seeking high-purity batches of this versatile compound.

For researchers considering 806632-06-4 for their projects, several supplier options exist in the global chemical market. Quality parameters to evaluate include HPLC purity (typically >98% for research applications), residual solvent content, and batch-to-batch consistency. Some suppliers now offer custom synthesis services for derivatives of this scaffold, enabling rapid access to novel analogs for structure-activity relationship studies.

The future of 4-(4-Methyl-1H-pyrazol-1-yl)aniline looks promising as new applications continue to emerge. Current research directions include its use in metal-organic frameworks (MOFs), catalysis, and bioimaging probes. The compound's structural versatility and ease of modification ensure it will remain an important tool for chemists across multiple disciplines in the coming years.

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