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Specifications of 2-Chloro-3-bromo-4-methylpyridine丨CAS 55404-31-4
|
Appearance |
Off-white solid |
|
Purity (GC) |
99% min |
|
Water |
0.5% max |
|
Single impurity |
0.5% max |
Applications of 2-Chloro-3-bromo-4-methylpyridine丨CAS 55404-31-4
1. Intermediate in Pharmaceutical Synthesis
Used in the production of pharmaceutical intermediates, especially in the synthesis of pyridine-based drug candidates.
Its halogenated structure allows for site-selective functionalization, making it a versatile building block.
2. Agrochemical Development
Serves as a precursor in the synthesis of herbicides, fungicides, or insecticides, leveraging the pyridine ring's bioactive potential.
3. Cross-Coupling Reactions
The presence of both chloro and bromo groups enables selective cross-coupling, such as Suzuki, Stille, or Heck reactions, for elaboration into more complex heterocycles.
4. Material Science
Occasionally investigated for use in the development of functionalized materials and organic electronics, due to its halogenated aromatic nature.
Benefits
✅ Dual Halogenation
Offers orthogonal reactivity due to both Cl and Br substituents, allowing for stepwise modification in synthetic sequences.
✅ Versatile Functional Handle
Compatible with a wide variety of organometallic reagents, enabling the rapid construction of diverse molecular frameworks.
✅ Useful Scaffold for Medicinal Chemistry
The pyridine ring is a common pharmacophore in drug design, and the substitution pattern allows for SAR (structure-activity relationship) exploration.
Summary
2-Chloro-3-bromo-4-methylpyridine丨CAS 55404-31-4 is a halogenated heterocyclic compound with significant utility in pharmaceutical, agrochemical, and materials research. Its dual halogen functionality and reactive pyridine core make it a flexible and valuable intermediate for complex molecule synthesis.
