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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzenesulfonamides

Comprehensive Overview of 2-Bromo-N-tert-butylbenzenesulfonamide (CAS No. 138733-50-3): Properties, Applications, and Industry Insights

2-Bromo-N-tert-butylbenzenesulfonamide (CAS No. 138733-50-3) is a specialized sulfonamide derivative with a brominated aromatic ring, widely recognized for its versatility in organic synthesis and pharmaceutical research. This compound belongs to the class of N-substituted benzenesulfonamides, characterized by the presence of a tert-butyl group and a bromo substituent on the benzene ring. Its unique structural features make it a valuable intermediate in the development of bioactive molecules and agrochemicals.

The growing interest in 2-Bromo-N-tert-butylbenzenesulfonamide is driven by its applications in medicinal chemistry, particularly in the design of enzyme inhibitors and receptor modulators. Researchers frequently search for "sulfonamide synthesis methods" or "brominated aromatic compounds uses," reflecting the demand for innovative synthetic routes and functional group transformations. The compound's electron-withdrawing bromo group enhances its reactivity in cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig couplings, which are pivotal in modern drug discovery.

From a physicochemical perspective, CAS No. 138733-50-3 exhibits moderate solubility in organic solvents like dichloromethane and tetrahydrofuran, making it suitable for solution-phase reactions. Its stability under ambient conditions aligns with industry preferences for easy-to-handle intermediates. Recent trends highlight inquiries about "green chemistry alternatives" for sulfonamide synthesis, prompting exploration of catalytic bromination techniques to improve sustainability.

In the agrochemical sector, 2-Bromo-N-tert-butylbenzenesulfonamide serves as a precursor for herbicidal agents and plant growth regulators. Its structural motif is often incorporated into molecules targeting pest resistance pathways. Queries like "benzenesulfonamide derivatives in agriculture" underscore the need for eco-friendly crop protection solutions. The compound's lipophilic tert-butyl group also contributes to enhanced cell membrane permeability, a key factor in formulation development.

Analytical characterization of 138733-50-3 typically involves NMR spectroscopy (1H and 13C), mass spectrometry, and HPLC purity analysis. Laboratories frequently search for "spectral data for brominated sulfonamides" to validate synthetic outcomes. The compound's crystalline form can be confirmed via X-ray diffraction, with the bromine atom providing heavy-atom contrast for structural elucidation.

Emerging applications of 2-Bromo-N-tert-butylbenzenesulfonamide include its use in material science, particularly in the synthesis of polymeric sulfonamides with tailored thermal properties. Searches for "high-performance polymers from sulfonamide monomers" reflect this niche interest. Additionally, its role in metal-organic frameworks (MOFs) as a ligand precursor is gaining attention for gas storage applications.

Regulatory compliance for CAS No. 138733-50-3 focuses on standard laboratory safety protocols, with no significant restrictions under major chemical inventories. This distinguishes it from controlled sulfonamide derivatives, making it accessible for academic research and industrial scale-up. Recent discussions about "REACH compliance for aromatic sulfonamides" highlight the importance of transparent safety data sheets and eco-toxicity profiles.

The synthetic flexibility of 2-Bromo-N-tert-butylbenzenesulfonamide allows selective functionalization at multiple sites: the bromine atom can undergo metal-halogen exchange, while the sulfonamide nitrogen participates in alkylation or acylation reactions. Such versatility explains persistent searches for "site-selective modifications of bromo-sulfonamides" in synthetic chemistry forums.

Looking ahead, 138733-50-3 is poised to play a role in precision medicine through its incorporation into targeted drug conjugates. The rise of "click chemistry compatible sulfonamides" as a search term indicates interest in bioconjugation techniques. Furthermore, computational studies exploring its molecular docking potential with biological targets may unlock new therapeutic applications.

In summary, 2-Bromo-N-tert-butylbenzenesulfonamide (CAS No. 138733-50-3) represents a multifaceted building block bridging pharmaceutical innovation, sustainable agriculture, and advanced materials. Its balanced reactivity profile and structural adaptability continue to inspire research across disciplines, addressing contemporary challenges through molecular design and process optimization.

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