Description

4H-Pyran-4-One,2,3-Dihydro-5-Methyl-2-[(1E)-2-Phenylethenyl]-,(2R)-(9Ci) is a chiral, substituted dihydropyranone derivative of significant interest in advanced organic synthesis. This compound matters as a versatile and sophisticated building block for constructing complex molecular architectures, particularly in pharmaceutical and fine chemical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as asymmetric synthesis and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring complex heterocyclic scaffolds.
• Asymmetric Synthesis: Serves as a precursor or building block in stereoselective reactions to introduce the (2R) configuration into target molecules.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex fragrance compounds, flavors, and other high-value specialty chemicals.
• Agrochemical Research: Employed as an intermediate in the discovery and development of new herbicides, fungicides, or insecticides with specific stereochemical requirements.
• Material Science Precursor: Potential use in the synthesis of organic ligands for catalysis or advanced organic materials where its specific structure imparts desired properties.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic chemistry, including new catalytic cycles and reaction development.

Basic Information

Product Name	4H-Pyran-4-One,2,3-Dihydro-5-Methyl-2-[(1E)-2-Phenylethenyl]-,(2R)-(9Ci)
CAS No.	773879-84-8
Molecular Formula	C14H14O2
Molecular Weight	214.26 g/mol
Synonyms	(2R)-2,3-Dihydro-5-methyl-2-[(1E)-2-phenylethenyl]-4H-pyran-4-one; (R)-2,3-Dihydro-5-methyl-2-[(E)-styryl]-4H-pyran-4-one; (2R)-5-Methyl-2-[(E)-styryl]-2,3-dihydro-4H-pyran-4-one; (R)-5-Methyl-2-styryldihydro-4H-pyran-4-one; 773879-84-8; (2R)-Dihydro-5-methyl-2-[(E)-styryl]-4H-pyran-4-one; (R)-enantiomer of 2,3-dihydro-5-methyl-2-styryl-4H-pyran-4-one
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. For this advanced intermediate, quality is assured through analytical techniques including HPLC, GC, and chiral analysis to confirm identity, purity, and enantiomeric excess. Certificates of Analysis (COA) detailing batch-specific results are available upon request. We adhere to cGMP principles where applicable to support our clients' regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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