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Specifications
| Appearance | Reddish brown to grey powder |
| Identification | HPLC Conform to the standard |
| Purity (HPLC) | 98.0% min |
| Water (K.F) | 0.5% max |
| Residue on ignition | 0.5% max |
Applications
4-(4-Amino-3-fluorophenoxy)-N-methylpyridine-2-carboxamide (CAS 757251-39-1) is an advanced pharmaceutical intermediate primarily used in the synthesis of kinase inhibitors and other biologically active compounds. Its structure, featuring a fluorinated amino-phenoxy moiety linked to a pyridine carboxamide, allows for selective interaction with protein kinases, making it valuable in drug discovery and development targeting cancer, inflammatory diseases, or metabolic disorders. The compound serves as a key building block in medicinal chemistry for generating derivatives with improved potency, selectivity, and pharmacokinetic profiles. In addition, it is utilized in structure-activity relationship (SAR) studies and in the preparation of research compounds for preclinical evaluation.
Benefits
The benefits of 4-(4-Amino-3-fluorophenoxy)-N-methylpyridine-2-carboxamide lie in its high chemical functionality and versatility as a synthetic intermediate. The amino group and fluorine atom provide opportunities for further derivatization and tuning of electronic properties, which is critical in optimizing drug activity and metabolic stability. The carboxamide and pyridine framework enhance hydrogen bonding and molecular recognition in biological targets, improving binding affinity. Its chemical stability, ease of handling, and compatibility with standard synthetic methodologies make it a reliable reagent in multi-step organic synthesis. Furthermore, its well-defined stereochemistry and substituent pattern allow for precise modifications in drug design and SAR exploration.
Conclusion
4-(4-Amino-3-fluorophenoxy)-N-methylpyridine-2-carboxamide is a valuable intermediate in pharmaceutical research, particularly for the development of kinase inhibitors and other bioactive compounds. Its combination of reactive functional groups, fluorine-substituted aromatic ring, and pyridine carboxamide core provides synthetic flexibility and biological relevance. By enabling the design and optimization of potent, selective, and metabolically stable drug candidates, it remains an important tool in modern medicinal chemistry and drug discovery.
