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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzenesulfonyl compounds

Recent Advances in the Application of 2,5-Dibromobenzene-1-sulfonyl Fluoride (CAS: 1092278-47-1) in Chemical Biology and Drug Discovery

2,5-Dibromobenzene-1-sulfonyl fluoride (CAS: 1092278-47-1) has emerged as a versatile chemical probe and building block in chemical biology and medicinal chemistry. This sulfonyl fluoride derivative has garnered significant attention due to its unique reactivity profile, enabling covalent modification of proteins and other biomolecules. Recent studies have highlighted its potential in target identification, activity-based protein profiling (ABPP), and the development of covalent inhibitors.

A 2023 study published in Journal of Medicinal Chemistry demonstrated the utility of 2,5-dibromobenzene-1-sulfonyl fluoride as a warhead in covalent inhibitor design. The researchers successfully incorporated this moiety into kinase inhibitors, achieving selective and irreversible inhibition of target proteins. The electron-withdrawing bromine substituents were found to modulate the reactivity of the sulfonyl fluoride group, allowing for fine-tuning of inhibitor potency and selectivity.

In chemical proteomics applications, 2,5-dibromobenzene-1-sulfonyl fluoride has shown promise as an activity-based probe. Its ability to react with nucleophilic amino acids (particularly tyrosine and lysine) under physiological conditions makes it valuable for mapping functional sites in complex proteomes. Recent work has expanded its use to live-cell labeling experiments, providing insights into protein function in native cellular environments.

The synthetic accessibility of 2,5-dibromobenzene-1-sulfonyl fluoride (CAS: 1092278-47-1) has facilitated its adoption in high-throughput screening campaigns. Several pharmaceutical companies have incorporated this scaffold into their fragment libraries for covalent drug discovery. Its balanced reactivity and stability profile make it particularly suitable for identifying novel binding pockets that may be difficult to target with conventional non-covalent inhibitors.

Recent structural studies have elucidated the molecular basis of 2,5-dibromobenzene-1-sulfonyl fluoride's interactions with biological targets. X-ray crystallography and mass spectrometry analyses have revealed that this compound can form stable adducts with various protein families, including serine hydrolases and protein tyrosine phosphatases. These findings are informing the design of next-generation covalent therapeutics with improved selectivity profiles.

Looking forward, researchers are exploring the potential of 2,5-dibromobenzene-1-sulfonyl fluoride in targeted protein degradation strategies. Preliminary results suggest that this scaffold could serve as the reactive group in proteolysis-targeting chimeras (PROTACs) and other bifunctional degraders, opening new avenues for addressing challenging drug targets.

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