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2-Bromo-6-chloro-1,7-naphthyridine (CAS No. 1246549-09-6): An Overview of Its Properties and Applications

2-Bromo-6-chloro-1,7-naphthyridine (CAS No. 1246549-09-6) is a versatile compound that has garnered significant attention in the fields of organic synthesis and medicinal chemistry. This compound, characterized by its unique bromine and chlorine substituents on a naphthyridine scaffold, offers a range of potential applications in the development of novel pharmaceuticals and materials. This article provides a comprehensive overview of the properties, synthesis, and applications of 2-Bromo-6-chloro-1,7-naphthyridine, highlighting its significance in contemporary research.

Chemical Structure and Physical Properties

The molecular formula of 2-Bromo-6-chloro-1,7-naphthyridine is C₁₀H₆BrClN₂, with a molecular weight of approximately 258.53 g/mol. The compound features a naphthyridine core, which is a bicyclic heterocyclic system consisting of a pyridine ring fused to a pyrimidine ring. The presence of bromine and chlorine substituents at the 2 and 6 positions, respectively, imparts unique chemical reactivity and physical properties to the molecule.

In terms of physical properties, 2-Bromo-6-chloro-1,7-naphthyridine is typically a solid at room temperature with a melting point ranging from 135 to 138°C. It is sparingly soluble in water but exhibits good solubility in organic solvents such as dimethyl sulfoxide (DMSO), dimethylformamide (DMF), and dichloromethane (DCM). These solubility characteristics make it suitable for various synthetic transformations and biological assays.

Synthesis and Reactivity

The synthesis of 2-Bromo-6-chloro-1,7-naphthyridine can be achieved through several routes, each offering different advantages in terms of yield, purity, and scalability. One common approach involves the sequential halogenation of a naphthyridine precursor. For instance, starting from 1,7-naphthyridine, the compound can be brominated using N-bromosuccinimide (NBS) followed by chlorination with N-chlorosuccinimide (NCS) or chlorine gas under controlled conditions.

The reactivity of 2-Bromo-6-chloro-1,7-naphthyridine is influenced by its halogen substituents. The bromine atom can serve as an excellent leaving group for nucleophilic substitution reactions, while the chlorine atom can participate in various electrophilic processes. This dual reactivity makes the compound a valuable building block for the synthesis of more complex molecules with diverse functionalities.

Applications in Medicinal Chemistry

2-Bromo-6-chloro-1,7-naphthyridine has shown promise in the development of novel pharmaceuticals due to its ability to serve as a scaffold for bioactive molecules. Recent studies have explored its potential as an intermediate in the synthesis of compounds with therapeutic applications. For example, researchers have utilized this compound to synthesize derivatives with potent anti-cancer activity by incorporating additional functional groups that enhance binding affinity to specific protein targets.

In addition to cancer research, 2-Bromo-6-chloro-1,7-naphthyridine-based compounds have been investigated for their antimicrobial properties. Studies have demonstrated that certain derivatives exhibit significant activity against both Gram-positive and Gram-negative bacteria, making them potential candidates for the development of new antibiotics.

Molecular Modeling and Computational Studies

To better understand the structural and electronic properties of 2-Bromo-6-chloro-1,7-naphthyridine, computational methods such as molecular dynamics simulations and quantum mechanical calculations have been employed. These studies have provided insights into the conformational flexibility and electronic distribution within the molecule, which are crucial for predicting its behavior in biological systems.

Molecular docking studies have also been conducted to evaluate the binding interactions between 2-Bromo-6-chloro-1,7-naphthyridine-based derivatives and target proteins. These simulations help identify key residues involved in ligand-protein interactions and guide the rational design of more potent and selective inhibitors.

Safety Considerations and Handling

2-Bromo-6-chloro-1,7-naphthyridine , it is essential to adhere to standard laboratory safety protocols. The compound should be stored in a cool, dry place away from direct sunlight and incompatible materials. Personal protective equipment (PPE) such as gloves, goggles, and lab coats should be worn during handling to minimize exposure risks.

In case of accidental contact or inhalation, appropriate first aid measures should be taken immediately. It is also advisable to consult material safety data sheets (MSDS) for detailed information on handling procedures and emergency response protocols.

Conclusion

2-Bromo-6-chloro-1,7-naphthyridine (CAS No. 1246549-09-6) is a multifaceted compound with significant potential in various scientific disciplines. Its unique chemical structure and reactivity make it an attractive candidate for synthetic transformations and drug discovery efforts. As research continues to advance our understanding of this compound's properties and applications, it is likely that new opportunities will emerge for its utilization in developing innovative solutions to pressing medical challenges.

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