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Specifications
| Appearance: | Earthy yellow or yellow powder |
| Assay (HPLC): | 98% min |
| Identification: | Conform with the main peak |
Applications
2-Amino-4-bromo-5-chloropyridine is a halogenated pyridine derivative widely used as an intermediate in pharmaceutical and agrochemical synthesis. Its structure, containing amino, bromine, and chlorine substituents on a pyridine ring, makes it a versatile building block for the synthesis of bioactive heterocycles, kinase inhibitors, antiviral agents, and other medicinal compounds. It is commonly employed in cross-coupling reactions such as Suzuki, Buchwald-Hartwig, or Sonogashira couplings to construct complex nitrogen-containing aromatic frameworks. In addition, this compound serves in agrochemical research for developing novel pesticides, herbicides, and fungicides with improved efficacy and selectivity. Its well-defined halogenation pattern allows stepwise functionalization, making it suitable for structure-activity relationship (SAR) studies and lead optimization in drug development.
Benefits
The dual halogen substituents combined with the amino group provide excellent chemical versatility, allowing selective functionalization and efficient synthetic transformations. The bromine atom is highly reactive in palladium-catalyzed cross-coupling reactions, while the chlorine atom can serve as a secondary site for further derivatization. Its pyridine core imparts thermal and chemical stability, making it a reliable intermediate in multi-step synthesis. Additionally, the compound's precise substitution pattern ensures reproducibility and high yields in the preparation of heterocyclic derivatives. This versatility, coupled with its stability, makes it an essential intermediate for medicinal chemistry and advanced chemical research.
Conclusion
2-Amino-4-bromo-5-chloropyridine is a valuable halogenated pyridine intermediate with broad applications in pharmaceutical and agrochemical research. Its multifunctional structure enables selective derivatization, cross-coupling, and heterocycle construction, supporting the development of novel drugs and agrochemicals. With its reactivity, stability, and versatility, this compound remains a key tool for chemists engaged in complex molecule synthesis and lead optimization.
