Description

2H-Pyran-2-One,4-Ethoxy-5,6-Dihydro-6-Phenyl-,(-)-(9Ci) is a high-purity, chiral lactone derivative of significant interest in advanced organic synthesis. This compound matters as a versatile and stereochemically defined building block for the development of novel pharmaceuticals and fine chemicals. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with lactone or dihydropyranone motifs.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators where its specific stereochemistry can influence biological activity.
• Flavor & Fragrance Synthesis: Acts as a starting material for creating complex lactone-based aroma chemicals, contributing to unique sensory profiles.
• Material Science Monomer: Potential use as a specialty monomer for synthesizing polymers with specific optical or mechanical properties.
• Asymmetric Catalysis Ligand Precursor: Can be utilized to develop novel chiral ligands or organocatalysts for stereoselective transformations.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in total synthesis and natural product analog development.

Basic Information

Product Name	2H-Pyran-2-One,4-Ethoxy-5,6-Dihydro-6-Phenyl-,(-)-(9Ci)
CAS No.	733010-51-0
Molecular Formula	C13H14O3
Molecular Weight	218.25 g/mol
Synonyms	(-)-4-Ethoxy-5,6-dihydro-6-phenyl-2H-pyran-2-one; (6R)-4-Ethoxy-6-phenyl-5,6-dihydro-2H-pyran-2-one; 4-Ethoxy-6-phenyl-5,6-dihydro-2H-pyran-2-one; 6-Phenyl-4-ethoxy-5,6-dihydro-2H-pyran-2-one; Dihydro-6-phenyl-4-ethoxy-2H-pyran-2-one; 733010-51-0; (R)-4-Ethoxy-6-phenyl-5,6-dihydro-2H-pyran-2-one
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One,4-Ethoxy-5,6-Dihydro-6-Phenyl-,(-)-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure compliance with research and development grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if necessary to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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