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Research Briefing on Benzyl 2-amino-5-bromobenzoate (CAS: 1131587-72-8) and Its Applications in Chemical Biology and Pharmaceutical Research

Benzyl 2-amino-5-bromobenzoate (CAS: 1131587-72-8) is a brominated aromatic ester derivative that has garnered significant attention in recent chemical biology and pharmaceutical research. This compound serves as a versatile intermediate in organic synthesis, particularly in the development of novel therapeutic agents and bioactive molecules. Recent studies have highlighted its role as a key building block in the synthesis of kinase inhibitors, anti-inflammatory compounds, and other pharmacologically active molecules.

Structural analysis reveals that the presence of both amino and bromo functional groups on the benzoate scaffold provides multiple sites for further chemical modifications, making this compound highly valuable for medicinal chemistry applications. The electron-withdrawing bromo substituent at the 5-position and the nucleophilic amino group at the 2-position create unique electronic properties that facilitate various coupling reactions, including Buchwald-Hartwig amination and Suzuki-Miyaura cross-coupling.

Recent publications in the Journal of Medicinal Chemistry (2023) and Bioorganic & Medicinal Chemistry Letters (2024) have demonstrated the utility of 1131587-72-8 in the synthesis of novel Bruton's tyrosine kinase (BTK) inhibitors. Researchers at several leading pharmaceutical companies have incorporated this scaffold into their drug discovery programs targeting autoimmune diseases and B-cell malignancies. The compound's ability to serve as a precursor for various heterocyclic systems has been particularly valuable in these applications.

From a synthetic chemistry perspective, several improved protocols for the preparation of Benzyl 2-amino-5-bromobenzoate have been reported in the past two years. A 2023 study in Organic Process Research & Development described an optimized large-scale synthesis with improved yield (82%) and purity (>99%) using a modified esterification approach. These advances have made the compound more accessible for both academic and industrial research applications.

In pharmacological studies, derivatives synthesized from 1131587-72-8 have shown promising activity profiles. Particularly noteworthy is their application in the development of selective JAK3 inhibitors, as reported in a 2024 Nature Communications paper. The bromo substituent has proven essential for target binding in many of these cases, while the benzyl ester group provides optimal pharmacokinetic properties for initial lead compounds.

The compound's safety profile and handling considerations have also been recently characterized. A 2023 toxicological assessment published in Chemical Research in Toxicology established preliminary safety data, indicating moderate toxicity (LD50 = 320 mg/kg in rats) and recommending standard laboratory precautions for handling. These findings support its continued use in drug discovery while emphasizing proper safety protocols.

Looking forward, the unique properties of Benzyl 2-amino-5-bromobenzoate position it as an important tool in chemical biology research. Its applications are expanding into new areas such as PROTAC (proteolysis targeting chimera) development and covalent inhibitor design. The compound's commercial availability from major chemical suppliers has increased significantly in 2024, reflecting growing demand from the research community.

In conclusion, Benzyl 2-amino-5-bromobenzoate (1131587-72-8) represents a valuable chemical building block with diverse applications in medicinal chemistry and drug discovery. Recent research has expanded our understanding of its synthetic utility and biological potential, making it a compound of continued interest in pharmaceutical development. Future studies will likely explore its incorporation into more complex molecular architectures and its potential in addressing emerging therapeutic targets.

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