CAS · 3174-74-1
Product Overview
3,6-Dihydro-2H-pyran is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | Colorless transparent liquid |
|---|---|
| Identification by GC | The retention time of the major peak in chromatogram of the sample preparation corresponds to that in the chromatogram of standard preparation |
| Purity (by GC) | 98% min |
| Moisture | 0.5% max |
Applications
3,6-Dihydro-2H-pyran is primarily used as a versatile reagent and intermediate in organic synthesis and chemical research. It is widely employed for the protection of alcohols in synthetic pathways through the formation of tetrahydropyranyl (THP) ethers, which are stable under a variety of reaction conditions and can be selectively removed when needed. The compound is also used in the preparation of fine chemicals, heterocyclic compounds, and pharmaceutical intermediates, serving as a building block for complex molecular architectures. Additionally, 3,6-dihydro-2H-pyran finds applications in material science and polymer chemistry, where it is incorporated into monomers, resins, or crosslinking agents to introduce cyclic ether structures that modify the physical and chemical properties of the resulting materials. Its reactivity makes it valuable in laboratory research for studying acid-catalyzed reactions, nucleophilic additions, and protective group strategies in multi-step organic syntheses.
Benefits
3,6-Dihydro-2H-pyran offers several advantages due to its highly reactive cyclic ether structure. Its ability to form stable THP-protected alcohols allows chemists to carry out multi-step syntheses without unwanted side reactions at sensitive hydroxyl groups. The compound is chemically stable under anhydrous conditions yet readily reacts under acidic catalysis, providing both stability and controlled reactivity in synthetic processes. Its relatively low toxicity and ease of handling in the laboratory environment further enhance its utility. Additionally, the compound's solubility in common organic solvents ensures compatibility with a wide range of reagents and reaction conditions, supporting versatile applications in research and industrial organic chemistry.
Conclusion
3,6-Dihydro-2H-pyran is a valuable intermediate and reagent in organic synthesis, polymer chemistry, and pharmaceutical research. Its applications in alcohol protection, heterocyclic synthesis, and materials modification, combined with benefits such as controlled reactivity, stability, and versatility, make it an essential tool for multi-step synthetic processes and complex molecule construction. The compound continues to play a crucial role in facilitating efficient, selective, and innovative chemical transformations in both laboratory and industrial settings.
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