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Comprehensive Overview of 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole (CAS No. 1257844-81-7)

The compound 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole (CAS No. 1257844-81-7) is a specialized heterocyclic organic molecule that has garnered significant attention in pharmaceutical and agrochemical research. Its unique structure, featuring a pyrazole core substituted with a bromine atom, a methyl group, and a pyrrolidine-1-carbonyl moiety, makes it a valuable intermediate for drug discovery and material science applications. Researchers are increasingly exploring its potential in kinase inhibition and cancer therapeutics, aligning with the growing demand for novel small-molecule inhibitors.

In recent years, the scientific community has focused on structure-activity relationship (SAR) studies involving 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole. This compound's electrophilic properties, attributed to the bromo-substitution, enable selective cross-coupling reactions, a hot topic in medicinal chemistry. Its relevance to fragment-based drug design (FBDD) has also been highlighted in several peer-reviewed journals, addressing the need for highly functionalized pyrazole derivatives in modern drug development pipelines.

The synthesis of CAS 1257844-81-7 typically involves multi-step protocols, including palladium-catalyzed coupling and carbonylative cyclization, which are frequently searched terms in organic synthesis databases. Its crystallographic data and H-bonding patterns have been characterized using X-ray diffraction, a technique widely discussed in computational chemistry forums. These features make it a case study for molecular docking simulations, particularly in protein-ligand interaction studies.

From an industrial perspective, 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole is classified as a high-value fine chemical. Its applications extend to crop protection agents, where its bioisosteric properties mimic natural ligands. This aligns with the global trend toward green chemistry and sustainable agrochemicals, topics dominating ESG-focused research. Analytical methods like HPLC purity testing and LC-MS characterization are critical for quality control, as emphasized in recent Good Manufacturing Practice (GMP) guidelines.

Emerging discussions in cheminformatics platforms highlight the compound's ADMET profile (Absorption, Distribution, Metabolism, Excretion, and Toxicity), particularly its blood-brain barrier permeability – a key consideration for central nervous system (CNS) drug candidates. Patent literature reveals its incorporation in ATP-competitive inhibitors, reflecting the pharmaceutical industry's shift toward targeted cancer therapies. These aspects resonate with frequent search queries about personalized medicine and orphan drug development.

In material science, the π-conjugated system of 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole shows promise for organic electronics, particularly in OLED materials and photovoltaic devices. Its thermal stability and solubility parameters are actively researched in polymeric matrix formulations, addressing the demand for flexible electronics – a trending topic in advanced materials conferences.

Regulatory agencies require thorough REACH compliance documentation for CAS 1257844-81-7, including ecotoxicological assessments. This aligns with increased public interest in chemical safety data sheets (SDS) and life cycle analysis (LCA), as evidenced by search engine analytics. The compound's logP value and hydrogen bond acceptors/donors are frequently cited in QSAR modeling discussions, demonstrating its utility in predictive toxicology.

Future research directions for 4-bromo-5-methyl-3-(pyrrolidine-1-carbonyl)-1H-pyrazole may explore its proteolysis targeting chimera (PROTAC) applications or covalent inhibitor designs, both trending in bioconjugate chemistry. Its scaffold versatility positions it as a candidate for combinatorial chemistry libraries, meeting the pharmaceutical industry's need for diverse chemical space exploration.

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