Description

2H-Pyran-3-Ol,3-Ethyl-3,4-Dihydro-2-Phenyl-,(2R,3R)-Rel-(9Ci) is a chiral, substituted dihydropyran derivative of significant interest in advanced organic synthesis. This compound serves as a versatile and valuable chiral building block for the construction of complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in areas requiring stereochemical control.
• Asymmetric Synthesis: Employed as a precursor or ligand in catalytic asymmetric reactions to induce high enantioselectivity.
• Natural Product Synthesis: Used in the total synthesis of complex natural products containing pyran or tetrahydropyran ring systems.
• Medicinal Chemistry Research: Provides a scaffold for constructing diverse compound libraries for biological screening and structure-activity relationship (SAR) studies.
• Flavor & Fragrance Chemistry: Acts as an intermediate for the synthesis of specific aroma chemicals with defined stereochemistry.
• Material Science Research: Investigated as a monomer or precursor for chiral polymers and advanced functional materials.

Basic Information

Item	Detail
Product Name	2H-Pyran-3-Ol,3-Ethyl-3,4-Dihydro-2-Phenyl-,(2R,3R)-Rel-(9Ci)
CAS No.	697300-66-6
Molecular Formula	C13H16O2
Molecular Weight	204.27 g/mol
Synonyms	(2R,3R)-rel-3-Ethyl-3,4-dihydro-2-phenyl-2H-pyran-3-ol; 3-Ethyl-3,4-dihydro-2-phenyl-2H-pyran-3-ol, (2R,3R)-rel-; (rel)-(2R,3R)-3-Ethyl-3,4-dihydro-2-phenyl-2H-pyran-3-ol; 697300-66-6; 2H-Pyran-3-ol, 3-ethyl-3,4-dihydro-2-phenyl-, (2R,3R)-rel-; Chiral Dihydropyranol; Phenyl-substituted Dihydropyran Derivative
EINECS	Contact for details

Quality Control

Our high-purity chiral intermediates are manufactured under strict quality management systems. Each batch is characterized and tested using advanced analytical techniques including HPLC, GC, Chiral HPLC, and NMR to confirm identity, chemical purity, and enantiomeric excess (ee). A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or cGMP requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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