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Specifications
| Appearance: | Off-white to light yellow powder |
| Purity: | 99% min |
| Water content: | 1% max |
| Total impurities: | 1% max |
Applications
3-Amino-2,4-dichloropyridine is a halogenated pyridine derivative widely used as an intermediate in pharmaceutical, agrochemical, and fine chemical synthesis. Its structure, featuring amino and dichloro substituents on a pyridine ring, makes it a versatile building block for the preparation of heterocyclic compounds, kinase inhibitors, antiviral agents, and other bioactive molecules. It is commonly employed in medicinal chemistry for constructing substituted pyridines, pyrimidines, and other nitrogen-containing scaffolds. Additionally, this compound is used in agrochemical research to develop herbicides, insecticides, and fungicides with enhanced potency and selectivity. Its dual halogenation allows for stepwise functionalization and incorporation into complex molecular architectures.
Benefits
The amino and dichloro groups provide multiple reactive sites, enabling selective derivatization and efficient chemical transformations. The chlorine atoms are highly suitable for cross-coupling reactions (Suzuki, Buchwald-Hartwig, and Negishi), while the amino group allows for acylation, alkylation, and condensation reactions. Its pyridine core imparts thermal and chemical stability, facilitating reproducible reactions and high yields in multi-step syntheses. The compound's functional versatility makes it a preferred intermediate for designing biologically active molecules and optimizing structure-activity relationships (SAR) in drug and agrochemical development.
Conclusion
3-Amino-2,4-dichloropyridine is a highly valuable pyridine intermediate with broad applications in pharmaceuticals, agrochemicals, and heterocyclic chemistry. Its multifunctional halogenated framework allows selective derivatization and efficient incorporation into complex molecules. With its stability, reactivity, and versatility, this compound remains an essential building block for research, drug discovery, and advanced chemical synthesis.
