• 1. Fe3O4/PEG-SO3H as a heterogeneous and magnetically-recyclable nanocatalyst for the oxidation of sulfides to sulfones or sulfoxides
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• 2. Esterase-responsive polymeric prodrug-based tumor targeting nanoparticles for improved anti-tumor performance against colon cancer?
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  Daniel Messmer,Stefan Salentinig,Jakob Heier Nanoscale, 2019,11, 6929-6938
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t-Butyl 5-bromo-2-chlorobenzamide (CAS No. 892018-58-5): A Versatile Intermediate in Modern Pharmaceutical Synthesis

t-Butyl 5-bromo-2-chlorobenzamide (CAS No. 892018-58-5) is a highly valuable intermediate in the field of pharmaceutical synthesis, exhibiting significant potential in the development of novel therapeutic agents. This compound, characterized by its unique structural properties, has garnered considerable attention in recent years due to its role in synthesizing biologically active molecules.

The molecular structure of t-butyl 5-bromo-2-chlorobenzamide consists of a benzamide core substituted with bromine and chlorine atoms at the 5th and 2nd positions, respectively, and an isobutyl group at the amide nitrogen. This arrangement imparts distinct electronic and steric properties, making it a versatile building block for medicinal chemists. The presence of both bromine and chlorine atoms provides multiple sites for further functionalization, enabling the construction of complex scaffolds essential for drug discovery.

In recent years, there has been a surge in research focused on developing small-molecule inhibitors targeting various disease pathways. t-butyl 5-bromo-2-chlorobenzamide has emerged as a key intermediate in the synthesis of molecules that modulate enzyme activity and cellular signaling. For instance, studies have demonstrated its utility in creating inhibitors of kinases and other enzymes implicated in cancer progression. The brominated and chlorinated aromatic ring system enhances binding affinity to biological targets, making this compound particularly valuable for designing high-affinity ligands.

One of the most compelling aspects of t-butyl 5-bromo-2-chlorobenzamide is its role in generating compounds with enhanced pharmacokinetic properties. The amide group not only serves as a site for further derivatization but also contributes to the solubility and metabolic stability of the final drug candidates. This has been particularly relevant in the development of oral formulations, where bioavailability is a critical factor. Researchers have leveraged this compound to create prodrugs that exhibit improved absorption and distribution upon administration.

The pharmaceutical industry has also explored the use of t-butyl 5-bromo-2-chlorobenzamide in the synthesis of antiviral and antibacterial agents. Its structural features allow for the design of molecules that interact with viral proteases and bacterial enzymes, disrupting essential metabolic pathways. Recent publications highlight its application in developing novel therapeutics against resistant strains of pathogens, underscoring its importance in addressing emerging infectious diseases.

From a synthetic chemistry perspective, t-butyl 5-bromo-2-chlorobenzamide offers a robust platform for exploring diverse reaction pathways. The presence of bromine and chlorine atoms facilitates cross-coupling reactions such as Suzuki-Miyaura and Buchwald-Hartwig couplings, enabling the introduction of aryl and heteroaryl groups into the molecular framework. These transformations have been instrumental in generating libraries of compounds for high-throughput screening, accelerating the discovery process.

The versatility of t-butyl 5-bromo-2-chlorobenzamide extends to its use in fragment-based drug design. By incorporating this intermediate into lead compounds, researchers can rapidly explore different chemical space while maintaining key pharmacophoric elements. This approach has been particularly effective in targeting challenging biological targets where traditional medicinal chemistry strategies have faced limitations.

In conclusion, t-butyl 5-bromo-2-chlorobenzamide (CAS No. 892018-58-5) represents a cornerstone intermediate in modern pharmaceutical synthesis. Its unique structural attributes and functional groups make it indispensable for designing novel therapeutic agents across various therapeutic areas. As research continues to uncover new applications for this compound, its significance in drug discovery is expected to grow even further.

• 849898-48-2(Isopropyl 5-bromo-2-chlorobenzamide)
• 1184623-42-4(Butyl 5-bromo-2-chlorobenzamide)
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• 892018-30-3(Propyl 5-Bromo-2-Chlorobenzamide)
• 701260-15-3(Cyclohexyl 5-bromo-2-chlorobenzamide)
• 150079-92-8(Ethyl 5-bromo-2-chlorobenzamide)
• 435273-54-4(Methyl 5-bromo-2-chlorobenzamide)
• 70657-65-7(N-(tert-Butyl)-2-chlorobenzamide)
• 669734-35-4(Cyclopropyl 5-bromo-2-chlorobenzamide)
• 892018-65-4(Benzyl 5-bromo-2-chlorobenzamide)