Description

2H-Pyran,2-Ethoxy-3,6-Dihydro-6-Phenyl-,(2R,6R)-(9Ci) CAS NO 497161-81-6 is a chiral, substituted dihydropyran derivative, a high-value intermediate in advanced organic synthesis. Its defined stereochemistry and functionalized pyran ring make it a critical building block for constructing complex molecular architectures with precise spatial orientation. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates, especially in antiviral, anti-inflammatory, and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides where specific stereochemistry is crucial for biological activity.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for the preparation of chiral ligands used in enantioselective catalytic reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring high-purity chiral intermediates.
• Academic & Industrial R&D: A valuable tool for methodological development in organic chemistry, particularly in studies involving cycloadditions and stereocontrolled transformations.
• Material Science Research: Investigated as a monomer or precursor for novel polymers with specific optical or structural properties.

Basic Information

Product Name	2H-Pyran,2-Ethoxy-3,6-Dihydro-6-Phenyl-,(2R,6R)-(9Ci)
CAS No.	497161-81-6
Molecular Formula	C₁₃H₁₆O₂
Molecular Weight	204.26 g/mol
Synonyms	(2R,6R)-2-Ethoxy-6-phenyl-3,6-dihydro-2H-pyran; (2R,6R)-6-Phenyl-2-ethoxy-3,6-dihydro-2H-pyran; 2-Ethoxy-3,6-dihydro-6-phenyl-2H-pyran, (2R,6R)-; (2R,6R)-2-Ethoxy-6-phenyl-3,6-dihydro-2H-pyran (9CI); 2H-Pyran, 2-ethoxy-3,6-dihydro-6-phenyl-, (2R,6R)-; (2R,6R)-6-Phenyl-2-ethoxy-2H-pyran-3(6H)-one (tautomer reference); Ethyl (2R,6R)-6-phenyl-3,6-dihydro-2H-pyran-2-yl ether
EINECS	Contact for details

Quality Control

Our 2H-Pyran,2-Ethoxy-3,6-Dihydro-6-Phenyl-,(2R,6R)-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.