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Introduction to 2-Bromo-7H-purine-6-thiol (CAS No. 139244-00-1)

2-Bromo-7H-purine-6-thiol, identified by its Chemical Abstracts Service (CAS) number 139244-00-1, is a heterocyclic organic compound that has garnered significant attention in the field of pharmaceutical and medicinal chemistry. This compound belongs to the purine family, a class of nitrogen-containing heterocycles that are ubiquitous in biological systems, particularly as the structural framework for nucleic acids such as adenine and guanine. The presence of both bromine and sulfur substituents in its molecular structure endows 2-Bromo-7H-purine-6-thiol with unique chemical properties, making it a versatile intermediate in synthetic chemistry and a promising candidate for drug discovery.

The molecular structure of 2-Bromo-7H-purine-6-thiol consists of a six-membered pyrimidine ring fused to a five-membered imidazole ring, with a bromine atom at the 2-position and a thiol group at the 6-position. This specific arrangement of functional groups allows for diverse chemical modifications, enabling researchers to explore its potential in various therapeutic applications. The bromine atom, in particular, serves as a reactive handle for further functionalization via cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig couplings, which are widely employed in the synthesis of complex organic molecules.

In recent years, 2-Bromo-7H-purine-6-thiol has been studied extensively for its pharmacological properties. Its purine scaffold mimics natural nucleobases, allowing it to interact with biological targets such as enzymes and receptors involved in cellular processes. One of the most intriguing aspects of this compound is its potential as an antiviral agent. Preliminary studies have suggested that derivatives of 2-Bromo-7H-purine-6-thiol may inhibit viral replication by interfering with key enzymes required for viral replication cycles. For instance, modifications at the 2-bromo and 6-thiol positions could lead to compounds that disrupt RNA-dependent RNA polymerase activity in viruses like influenza or hepatitis C.

Moreover, the thiol group in 2-Bromo-7H-purine-6-thiol provides a nucleophilic site that can participate in disulfide bond formation, which is relevant to redox signaling pathways in cells. This property makes it an attractive scaffold for developing agents that modulate oxidative stress-related diseases, such as neurodegenerative disorders like Alzheimer's disease and Parkinson's disease. Research has shown that compounds with similar thiol functionalities can scavenge reactive oxygen species (ROS) and protect against oxidative damage, thereby preserving cellular homeostasis.

The pharmaceutical industry has also explored 2-Bromo-7H-purine-6-thiol as a precursor for kinase inhibitors. Kinases are enzymes that play critical roles in cell signaling pathways, and dysregulation of kinase activity is implicated in numerous diseases, including cancer. By incorporating the purine scaffold into kinase inhibitors, researchers aim to develop drugs that selectively target aberrant signaling pathways without affecting normal cellular processes. The bromine substituent on 2-Bromo-7H-purine-6-thiol facilitates the introduction of additional pharmacophores through palladium-catalyzed cross-coupling reactions, enabling the synthesis of highly tailored kinase inhibitors.

Recent advances in computational chemistry have further enhanced the utility of 2-Bromo-7H-purine-6-thiol in drug design. Molecular modeling studies have been conducted to predict how different derivatives of this compound might interact with biological targets at the atomic level. These studies have identified key structural features that could improve binding affinity and selectivity, guiding experimental efforts toward more effective drug candidates. For example, simulations have suggested that optimizing the electronic properties of the bromine and thiol substituents could enhance interactions with specific amino acid residues in target proteins.

In addition to its pharmaceutical applications, 2-Bromo-7H-purine-6-thiol has found utility in materials science and chemical biology. Its ability to undergo selective functionalization makes it a valuable building block for constructing complex organic molecules used in sensors and diagnostic tools. Researchers have also employed derivatives of this compound to study enzyme mechanisms and protein-protein interactions, providing insights into fundamental biological processes.

The synthesis of 2-Bromo-7H-purine-6-thiol itself is an area of active research. While several synthetic routes have been reported, efforts continue to develop more efficient and scalable methods. One common approach involves starting from commercially available purines or their precursors, followed by selective bromination and thiolation at specific positions. Advances in catalytic systems have enabled milder reaction conditions and higher yields, reducing waste and improving sustainability.

The safety profile of 2-Bromo-7H-purine-6-thiol is another important consideration in its application. While not classified as a hazardous material under standard regulatory guidelines, proper handling procedures must be followed to ensure safe laboratory practices. Personal protective equipment (PPE), such as gloves and safety goggles, should be worn when handling this compound to minimize exposure risks.

In conclusion,2-Bromo-7H-puruliniothiolo (CAS No. 13924400) represents a fascinating compound with broad applications across multiple scientific disciplines. Its unique structural features make it a valuable tool for drug discovery researchers seeking novel therapeutic agents targeting viral infections,cancerand oxidative stress-related diseases . As our understandingof molecular interactions continues to evolve ,the potential usesof this compoundare expectedto expand ,driving innovationin both academicand industrialsettings .

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