• 1. Excimer emission and magnetoluminescence of radical-based zinc(ii) complexes doped in host crystals?
  Shojiro Kimura,Tetsuro Kusamoto Chem. Commun., 2020,56, 11195-11198
• 2. Fatty acid positional distribution in colostrum and mature milk of women living in Inner Mongolia, North Jiangsu and Guangxi of China?
  Long Deng,Qian Zou,Biao Liu,Wenhui Ye,Chengfei Zhuo,Li Chen,Ze-Yuan Deng,Ya-Wei Fan,Jing Li Food Funct., 2018,9, 4234-4245
• 3. Examination of the hydrogen-bonding networks in small water clusters (n = 2–5, 13, 17) using absolutely localized molecular orbital energy decomposition analysis?
  Erika A. Cobar,Paul R. Horn,Robert G. Bergman,Martin Head-Gordon Phys. Chem. Chem. Phys., 2012,14, 15328-15339
• 4. Ester-mediated peptide formation promoted by deep eutectic solvents: a facile pathway to proto-peptides?
  Chen-Yu Chien,Sheng-Sheng Yu Chem. Commun., 2020,56, 11949-11952
• 5. Emerging investigators
  Polym. Chem., 2015,6, 5501-5502

• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyrrolopyridines Pyrrolopyridines
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyrrolopyridines

7-Bromo-5-chloro-4-azaindole (CAS No. 1082040-90-1): A Versatile Intermediate in Modern Pharmaceutical Research

7-Bromo-5-chloro-4-azaindole, with the chemical identifier CAS No. 1082040-90-1, is a significant compound in the realm of pharmaceutical chemistry. This heterocyclic aromatic molecule has garnered considerable attention due to its structural versatility and its role as a key intermediate in the synthesis of various bioactive molecules. The presence of both bromo and chloro substituents on the indole ring enhances its reactivity, making it a valuable building block for drug discovery and development.

The indole core is a privileged scaffold in medicinal chemistry, known for its broad spectrum of biological activities. Compounds derived from indole have been extensively studied for their potential applications in treating various diseases, including cancer, infectious diseases, and neurological disorders. The introduction of halogen atoms, particularly bromine and chlorine, into the indole framework introduces electrophilic centers that can be readily functionalized through nucleophilic aromatic substitution (SNAr) reactions. This property has made 7-Bromo-5-chloro-4-azaindole a popular choice for constructing more complex molecular architectures.

In recent years, there has been a surge in research focused on developing novel therapeutic agents with improved efficacy and reduced side effects. The compound 7-Bromo-5-chloro-4-azaindole has emerged as a critical intermediate in the synthesis of small-molecule inhibitors targeting specific biological pathways. For instance, studies have demonstrated its utility in generating indole-based kinase inhibitors, which are crucial for treating cancers driven by aberrant kinase activity. These inhibitors often exhibit high selectivity and potency, making them promising candidates for clinical development.

The azaindole moiety in 7-Bromo-5-chloro-4-azaindole further contributes to its pharmacological potential. Azaindoles are structurally analogous to indoles but feature a nitrogen atom replacing one of the carbon atoms in the indole ring. This modification can lead to enhanced binding affinity to biological targets, as well as improved metabolic stability and bioavailability. Researchers have leveraged this scaffold to develop novel antimicrobial agents, antiviral drugs, and even neuroprotective compounds.

The synthesis of 7-Bromo-5-chloro-4-azaindole typically involves multi-step organic transformations starting from commercially available precursors. Common synthetic routes include halogenation reactions followed by functional group interconversions. The use of palladium-catalyzed cross-coupling reactions has also been explored to introduce additional substituents into the indole ring with high efficiency. These synthetic strategies highlight the compound's adaptability and its suitability for large-scale production.

The growing interest in 7-Bromo-5-chloro-4-azaindole has led to several innovative applications in drug discovery pipelines. For example, researchers have utilized this intermediate to develop protease inhibitors targeting viral enzymes essential for replication. Additionally, it has been employed in generating small-molecule modulators of epigenetic enzymes, which play a critical role in regulating gene expression. These efforts underscore the compound's significance as a versatile tool in modern pharmaceutical research.

The pharmacokinetic properties of derivatives of 7-Bromo-5-chloro-4-azaindole have also been extensively studied. By optimizing the substitution pattern on the indole ring, chemists can fine-tune parameters such as solubility, permeability, and metabolic stability. These modifications are crucial for improving drug delivery systems and maximizing therapeutic outcomes. Computational modeling techniques have been increasingly used to predict the behavior of these compounds in vivo, further accelerating the drug discovery process.

In conclusion, 7-Bromo-5-chloro-4-azaindole (CAS No. 1082040-90-1) represents a cornerstone compound in pharmaceutical chemistry. Its unique structural features and reactivity make it an indispensable intermediate for synthesizing a wide range of bioactive molecules. As research continues to uncover new therapeutic applications, this compound is poised to play an even greater role in the development of next-generation drugs that address unmet medical needs.

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