Description

1,2:5,6-Di-o-Isopropylidene-3-o-p-Toluenesulfonyl-A-D-Allofuranose is a key protected sugar derivative and versatile chiral building block in organic synthesis. This compound is valued for its role in the stereoselective construction of complex molecules, particularly nucleosides and carbohydrate-based pharmaceuticals. It is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking high-purity intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel nucleoside analogs and antiviral/anticancer agents.
• Chiral Building Block: Used for the stereocontrolled introduction of the D-allofuranose scaffold into complex target molecules.
• Carbohydrate Chemistry Research: Serves as a protected starting material for the study of glycosylation reactions and sugar transformations.
• Fine Chemical Synthesis: Employed in the production of specialized chemicals requiring high enantiomeric purity.
• Agrochemical Development: Used in the research phase for creating bioactive compounds with specific stereochemistry.

Basic Information

Product Name	1,2:5,6-Di-o-Isopropylidene-3-o-p-Toluenesulfonyl-A-D-Allofuranose
CAS No.	13964-21-1
Molecular Formula	C20H26O8S
Molecular Weight	426.48 g/mol
Synonyms	3-O-Tosyl-1,2:5,6-di-O-isopropylidene-α-D-allofuranose; 1,2:5,6-Di-O-isopropylidene-3-O-tosyl-α-D-allofuranose; 3-O-p-Toluenesulfonyl-1,2:5,6-di-O-isopropylidene-α-D-allofuranose; Diacetoneallose 3-tosylate; D-Allofuranose, 1,2:5,6-di-O-(1-methylethylidene)-3-O-(4-methylphenyl)sulfonyl-; 3-O-Tosyl-di-O-isopropylidene-α-D-allofuranose
EINECS	Contact for details

Quality Control

Our 1,2:5,6-Di-o-Isopropylidene-3-o-p-Toluenesulfonyl-A-D-Allofuranose is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. We provide comprehensive analytical data, including HPLC purity, chiral purity, and identification by spectroscopic methods. A Certificate of Analysis (COA) is supplied with each batch to confirm compliance with specified parameters.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% 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.