Description

2-O,4-O:3-O,5-o-Dibenzylidene-D-Glucitol is a specialized carbohydrate derivative, specifically a dibenzylidene acetal of D-glucitol. This compound is valued for its role as a versatile chiral intermediate and protecting group in sophisticated organic synthesis. It is primarily sought by research and development chemists in the pharmaceutical and fine chemical industries for the production of optically active compounds and complex molecular architectures.

Application

• Chiral Auxiliary and Ligand Precursor: Used in asymmetric synthesis for the construction of stereogenic centers.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Fine Chemical Synthesis: Employed in the production of specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Academic and Industrial Research: A valuable tool for methodological development in synthetic organic chemistry.
• Protecting Group Chemistry: The benzylidene groups selectively protect specific hydroxyl functions on the sugar alcohol backbone during multi-step syntheses.

Basic Information

Product Name	2-O,4-O:3-O,5-o-Dibenzylidene-D-Glucitol
CAS No.	13265-76-4
Molecular Formula	C20H22O6
Molecular Weight	358.39 g/mol
Synonyms	1,6-Anhydro-2,4-O-benzylidene-3,5-O-benzylidene-D-glucitol; D-Glucitol, 2,4:3,5-di-O-benzylidene-; 2,4:3,5-Di-O-benzylidene-D-glucitol; Di-O-benzylidene-D-sorbitol (common name); Dibenzylidene sorbitol (DBS) derivative; 1,6-Anhydro-2,4:3,5-di-O-benzylidene-D-glucitol; 2,4:3,5-Dibenzylidene-D-sorbitol
EINECS	Contact for details

Quality Control

Our 2-O,4-O:3-O,5-o-Dibenzylidene-D-Glucitol is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and synthesis applications. We provide comprehensive analytical data, including HPLC purity, chiral purity, and spectroscopic identification. A Certificate of Analysis (COA) detailing all specifications is available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
Melting Point	Contact for details
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.