Description

2-O,3-O:4-O,5-o-Dibenzylidene-D-Mannitol CAS NO 35827-52-2 is a specialized chiral derivative of D-mannitol, featuring benzylidene protecting groups. This compound is of significant value as a key chiral auxiliary and intermediate in asymmetric synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex, optically active molecules.

Application

• Chiral Auxiliary in Asymmetric Synthesis: Used to induce chirality in the synthesis of enantiomerically pure pharmaceuticals and natural products.
• Pharmaceutical Intermediate: Serves as a building block for active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Catalyst and Ligand Precursor: Employed in the development of chiral catalysts for stereoselective reactions.
• Academic and Industrial Research: A valuable tool for methodological development in organic and medicinal chemistry laboratories.
• Fine Chemical Production: Used in the manufacture of high-value specialty chemicals where optical purity is critical.

Basic Information

Product Name	2-O,3-O:4-O,5-o-Dibenzylidene-D-Mannitol
CAS No.	35827-52-2
Molecular Formula	C20H20O6
Molecular Weight	356.37 g/mol
Synonyms	Dibenzylidene-D-mannitol; 1,2:5,6-Di-O-benzylidene-D-mannitol; 2,3:4,5-Di-O-benzylidene-D-mannitol; Di-O-benzylidene-D-mannitol; (2R,3R,4R,5R)-2,3:4,5-Bis-O-(phenylmethylene)-1,6-hexanediol; D-Mannitol, 2,3:4,5-bis-O-(phenylmethylene)-; 1,6-Dihydroxy-2,3:4,5-bis-O-benzylidene-D-mannitol
EINECS	Contact for details

Quality Control

Our 2-O,3-O:4-O,5-o-Dibenzylidene-D-Mannitol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and synthesis applications. Certificates of Analysis (COA) detailing identity, purity, and specific impurities are available 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
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]	Contact for details
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.