Description

4H-Pyran-4-One, 5-(Benzoyloxy)-2-(Benzoyloxy)Methyl-2,3-Dihydro-, (S)- is a chiral, benzoylated derivative of 4H-pyran-4-one, serving as a sophisticated synthetic intermediate. This compound is valued for its role in constructing complex molecular architectures, particularly in the synthesis of optically active natural products and pharmaceuticals. It is primarily sought by research institutions and manufacturers in the fine chemical and pharmaceutical development sectors for advanced organic synthesis.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Asymmetric Synthesis: Utilized in the preparation of enantiomerically pure compounds for catalysis and material science research.
• Natural Product Synthesis: Serves as a precursor in the total synthesis of natural products containing pyran or benzoyl-protected sugar moieties.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic methodologies and reaction pathways.
• Fine Chemical Production: Used in the manufacture of specialty chemicals requiring high-purity, structurally defined intermediates.

Basic Information

Product Name	4H-Pyran-4-One, 5-(Benzoyloxy)-2-(Benzoyloxy)Methyl-2,3-Dihydro-, (S)-
CAS No.	67308-45-6
Molecular Formula	C21H18O6
Molecular Weight	366.36 g/mol
Synonyms	(S)-5,2-Bis(benzoyloxy)methyl-2,3-dihydro-4H-pyran-4-one; (S)-2,5-Bis-O-benzoyl-2,3-dideoxy-erythro-pentono-1,4-lactone; 2,5-Di-O-benzoyl-2,3-dideoxy-L-ribono-1,4-lactone; L-2,5-Di-O-benzoyl-2,3-dideoxyribonolactone; 2,3-Dideoxy-2,5-di-O-benzoyl-L-ribono-1,4-lactone; Benzoylated L-ribonolactone derivative; (S)-2,3-Dihydro-5-(benzoyloxy)-2-((benzoyloxy)methyl)-4H-pyran-4-one
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with a typical purity of ≥97% (by HPLC), with specifications tailored for research and development use. Certificates of Analysis (COA) detailing identity, purity, and chiral purity are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed in a dry environment.

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% ee
Loss on Drying	≤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.