Description

(R,R)-(-)-2,3-Dimethoxy-1,4-Bis(Dimethylamino)Butane is a high-purity chiral ligand and catalyst precursor of significant importance in asymmetric synthesis. Its value lies in its ability to induce high enantioselectivity in a variety of organic transformations, enabling the production of single-enantiomer compounds. This product is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and fine chemical industries that require precise stereochemical control.

Application

• As a chiral ligand for transition metal catalysts in asymmetric hydrogenation reactions.
• As a key component in the synthesis of enantiomerically pure pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Utilized in asymmetric alkylation and addition reactions to construct chiral carbon centers.
• Employed in academic and industrial research for the development of new catalytic asymmetric methodologies.
• As a precursor for the synthesis of other, more complex chiral auxiliaries and catalysts.
• Potential use in the synthesis of specialty chemicals and advanced materials requiring specific chirality.

Basic Information

Product Name	(R,R)-(-)-2,3-Dimethoxy-1,4-Bis(Dimethylamino)Butane
CAS No.	26549-22-4
Molecular Formula	C10H24N2O2
Molecular Weight	204.31 g/mol
Synonyms	(R,R)-(-)-DDB; (2R,3R)-(-)-2,3-Dimethoxy-1,4-bis(dimethylamino)butane; (R,R)-TADDOL Precursor Ligand; (-)-DDB; (R,R)-DMB-DMAB; 1,4-Bis(dimethylamino)-2,3-dimethoxybutane, (R,R)-(-)-; N,N,N',N'-Tetramethyl-2,3-dimethoxy-1,4-butanediamine, (R,R)-(-)-
EINECS	Contact for details

Quality Control

Our (R,R)-(-)-2,3-Dimethoxy-1,4-Bis(Dimethylamino)Butane is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized and tested to confirm identity, chiral purity (enantiomeric excess), and chemical assay. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at room temperature (15-25°C). This compound is easily oxidized; prolonged exposure to air should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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