Description

(S)-N,N'-Dimethyl-2,2'-Diamino-1,1'-Binaphthyl, also known as (S)-N,N'-Dimethyl-1,1'-Binaphthalene-2,2'-Diamine, is a high-value chiral diamine ligand and building block of significant importance in asymmetric synthesis. Its core value lies in its ability to induce high enantioselectivity in catalytic reactions, which is critical for producing single-enantiomer pharmaceuticals and fine chemicals. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity chiral auxiliaries.

Application

• As a chiral ligand in transition metal-catalyzed asymmetric reactions, including hydrogenation, C-C bond formation, and oxidation.
• As a key organocatalyst precursor for the development of novel enantioselective methodologies.
• As a building block for synthesizing more complex chiral catalysts and functional materials.
• In pharmaceutical intermediate synthesis, where precise stereochemical control is paramount for drug efficacy and safety.
• For academic and industrial R&D in exploring new asymmetric catalytic processes.
• In the preparation of chiral stationary phases or selectors for analytical and preparative chromatography.

Basic Information

Product Name	(S)-N,N'-Dimethyl-2,2'-Diamino-1,1'-Binaphthyl / (S)-N,N'-Dimethyl-1,1'-Binaphthalene-2,2'-Diamine
CAS No.	666175-40-2
Molecular Formula	C22H20N2
Molecular Weight	312.41 g/mol
Synonyms	(S)-(-)-N,N'-Dimethyl-1,1'-binaphthyl-2,2'-diamine; (S)-DM-BINAM; (S)-N,N'-Dimethyl-BINAM; (S)-2,2'-Bis(dimethylamino)-1,1'-binaphthyl; (S)-N,N,N',N'-Tetramethyl-1,1'-binaphthyl-2,2'-diamine; (S)-(-)-2,2'-Bis(dimethylamino)-1,1'-binaphthyl; (S)-N,N'-Dimethyl-[1,1'-binaphthalene]-2,2'-diamine; (S)-DM-BINAP diamine derivative
EINECS	Contact for details

Quality Control

Our (S)-N,N'-Dimethyl-2,2'-Diamino-1,1'-Binaphthyl is manufactured under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes rigorous analytical testing, including chiral purity verification by HPLC, to meet the exacting standards required for asymmetric synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

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 and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (HPLC)	≥ 99.0%
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.