Description

(S)-(-)-6,6'-Dibromo-1,1'-Bi-2-Naphthol is a high-purity, chiral binaphthol derivative, a crucial building block in asymmetric synthesis. Its value lies in its role as a versatile ligand and catalyst precursor, enabling the production of enantiomerically pure compounds with high selectivity. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality chiral auxiliaries for complex synthetic routes.

Application

• Asymmetric Catalysis: As a chiral ligand for transition metal-catalyzed reactions, including C-C bond formation and hydrogenation.
• Pharmaceutical Intermediates: Key precursor in the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Chiral Resolution: Used to prepare chiral stationary phases for analytical and preparative chromatography.
• Agrochemical Synthesis: Building block for creating chiral pesticides and herbicides with improved efficacy and environmental profiles.
• Material Science: Component in the development of chiral polymers and liquid crystals for optoelectronic applications.
• Academic & Industrial R&D: A fundamental reagent for methodological development in organic and organometallic chemistry.

Basic Information

Item	Details
Product Name	(S)-(-)-6,6'-Dibromo-1,1'-Bi-2-Naphthol
CAS No.	80655-81-8
Molecular Formula	C₂₀H₁₂Br₂O₂
Molecular Weight	444.12 g/mol
Synonyms	(S)-(-)-6,6'-Dibromo-1,1'-binaphthyl-2,2'-diol; (S)-6,6'-Dibromo-2,2'-dihydroxy-1,1'-binaphthyl; (S)-BINOL-6,6'-dibromo; (S)-(-)-6,6'-Dibromo-2,2'-dihydroxy-1,1'-binaphthyl; (S)-(-)-6,6'-Dibromobinaphthol; (S)-DB-BINOL; (S)-6,6'-Dibromo-1,1'-bi-2-naphthol
EINECS	Contact for details

Quality Control

Our (S)-(-)-6,6'-Dibromo-1,1'-Bi-2-Naphthol is manufactured under strict quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Products undergo rigorous analytical testing, including HPLC, chiral analysis, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (ee%), and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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