Description

[4,4-Bi-1,3-Dioxolane]-5,5-Dione,2,2-Diethyl-,(2R,2R,4R,4R)-(9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its value lies in its rigid, functionalized dioxolane-dione structure, which serves as a key precursor for constructing complex molecules with precise three-dimensional architecture. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients with targeted biological activity.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of complex drug candidates, particularly in areas requiring high stereochemical purity.
• Asymmetric Catalysis Ligand Precursor: Used to develop novel chiral ligands and organocatalysts for enantioselective transformations.
• Advanced Material Monomer: Serves as a building block for specialty polymers and functional materials with specific optical or mechanical properties.
• Agrochemical Synthesis: Employed in the research and development of new, stereospecific pesticides and herbicides.
• Academic & Industrial R&D: A valuable tool for methodological development in organic chemistry and exploring new synthetic pathways.
• Fine Chemical Production: Used in the multi-step synthesis of high-value, complex fine chemicals and flavors/fragrances.

Basic Information

Product Name	[4,4-Bi-1,3-Dioxolane]-5,5-Dione,2,2-Diethyl-,(2R,2R,4R,4R)-(9Ci)
CAS No.	688312-69-8
Molecular Formula	C12H18O6
Molecular Weight	258.27 g/mol
Synonyms	2,2-Diethyl-1,3-dioxolane-4,5-dione dimer; (4R,4'R)-2,2'-Diethyl-4,4'-bi(1,3-dioxolane)-5,5'-dione; Diethyl tartrate cyclic acetonide dimer; (R,R)-Diethyl Tartrate Acetonide Dimer; Tetramethyl (R,R)-O,O'-Isopropylidene-2,3-dihydroxysuccinate Dimer; Chiral Dioxolanedione Dimer; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our production of this advanced chiral intermediate adheres to strict quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, chiral GC/HPLC, NMR, and IR spectroscopy to ensure identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality documentation to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be sensitive to moisture and should be handled under an inert atmosphere for long-term storage to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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