Description

(R)-3,3'-Dibromo-2,2'-Dimethoxy-1,1'-Binaphthyl is a high-value, enantiomerically pure binaphthyl derivative that serves as a critical chiral building block and ligand precursor in advanced organic synthesis. Its significance lies in its ability to induce chirality in catalytic systems and pharmaceutical intermediates, enabling the production of single-enantiomer compounds with high optical purity. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require sophisticated chiral auxiliaries for asymmetric synthesis.

Application

• As a chiral ligand precursor for asymmetric metal catalysis (e.g., Suzuki-Miyaura cross-coupling).
• As a key intermediate in the synthesis of enantiomerically pure pharmaceuticals and bioactive molecules.
• In the development of chiral stationary phases for analytical and preparative chromatography.
• As a building block for novel chiral polymers and advanced materials with optical properties.
• In academic and industrial research for studying chirality and developing new asymmetric methodologies.

Basic Information

Product Name	(R)-3,3'-Dibromo-2,2'-Dimethoxy-1,1'-Binaphthyl
CAS No.	75714-59-9
Molecular Formula	C22H16Br2O2
Molecular Weight	472.17 g/mol
Synonyms	(R)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthalene; (R)-3,3'-Dibromo-2,2'-dimethoxy-1,1'-binaphthyl; (R)-3,3'-Dibromo-BINOL; (R)-3,3'-Dibromo-1,1'-bi-2-naphthol dimethyl ether; (R)-3,3'-Dibromo-2,2'-dimethoxy-[1,1'-binaphthalene]; (R)-3,3'-Dibromo-2,2'-dimethoxybinaphthyl
EINECS	Contact for details

Quality Control

Our (R)-3,3'-Dibromo-2,2'-Dimethoxy-1,1'-Binaphthyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric excess (ee) determination, to ensure high chemical and optical purity. Certificates of Analysis (COA) detailing identity, purity, and specific rotation are provided to guarantee consistent quality and traceability for your critical applications.

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 incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%

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