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• Solvents and Organic Chemicals Organic Compounds Benzenoids Phenol ethers Phenol ethers
• Solvents and Organic Chemicals Organic Compounds Benzenoids Phenol ethers

Recent Advances in the Application of 1-Bromo-4-chloro-2-(2-methoxyethoxy)benzene (CAS: 1245563-20-5) in Chemical Biology and Pharmaceutical Research

The compound 1-Bromo-4-chloro-2-(2-methoxyethoxy)benzene (CAS: 1245563-20-5) has recently garnered significant attention in the field of chemical biology and pharmaceutical research. This aromatic ether derivative, characterized by its unique halogenated and alkoxy-substituted benzene ring, has emerged as a versatile intermediate in the synthesis of complex bioactive molecules. Recent studies have highlighted its potential in drug discovery, particularly in the development of kinase inhibitors and modulators of protein-protein interactions.

A 2023 study published in the Journal of Medicinal Chemistry demonstrated the utility of 1245563-20-5 as a key building block in the synthesis of novel Bruton's tyrosine kinase (BTK) inhibitors. The researchers utilized its reactive halogen sites for efficient cross-coupling reactions, enabling rapid diversification of the molecular scaffold. The resulting compounds showed promising activity against resistant forms of BTK, with IC50 values in the low nanomolar range.

In parallel research, scientists at several major pharmaceutical companies have incorporated 1-Bromo-4-chloro-2-(2-methoxyethoxy)benzene into their fragment-based drug discovery platforms. The compound's balanced lipophilicity (clogP ~2.8) and moderate molecular weight (265.53 g/mol) make it particularly suitable for fragment elaboration strategies. Recent patent applications reveal its use in developing candidates for inflammatory and autoimmune disorders.

Structural biology studies have provided insights into the molecular interactions of derivatives containing this scaffold. X-ray crystallography data from a 2024 Nature Communications paper shows how the methoxyethoxy side chain participates in crucial hydrogen bonding networks with target proteins, while the halogen atoms contribute to favorable halogen bonding interactions in enzyme active sites.

Process chemistry innovations have also emerged regarding this compound. A recent Organic Process Research & Development publication detailed an improved synthetic route to 1245563-20-5 that achieves 85% yield with excellent purity (>99%), addressing previous challenges in large-scale production. The new method employs continuous flow chemistry techniques, significantly reducing reaction times and improving safety profiles.

Emerging applications in chemical biology include the use of 1-Bromo-4-chloro-2-(2-methoxyethoxy)benzene as a precursor for photoaffinity probes and activity-based protein profiling reagents. Its derivatization with click chemistry handles has enabled the development of novel tools for target identification and validation in complex biological systems.

In conclusion, 1245563-20-5 represents a valuable chemical building block with diverse applications in modern drug discovery and chemical biology research. Its unique combination of reactivity, physicochemical properties, and demonstrated biological relevance positions it as an important tool for medicinal chemists. Future research directions likely include further exploration of its structure-activity relationships and development of additional synthetic methodologies to access novel derivatives.

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