Description

(S)-(-)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-Octahydro-1,1'-Bi-2,2'-Naphthalenediol, 97% is a high-purity, chiral binaphthol derivative of significant interest in advanced organic synthesis. This compound matters as a sophisticated ligand precursor and chiral building block, enabling the construction of complex molecular architectures with precise stereochemical control. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel catalysts and active ingredients.

Application

• Chiral Ligand Synthesis: A key precursor for constructing axially chiral phosphine and N-heterocyclic carbene (NHC) ligands used in asymmetric catalysis.
• Asymmetric Catalysis: Serves as a core scaffold in the development of novel catalysts for enantioselective hydrogenation, C-C bond formation, and other key transformations.
• Pharmaceutical Intermediates: Used in the research and development of chiral active pharmaceutical ingredients (APIs) where precise stereochemistry is critical for efficacy.
• Material Science Research: Employed in the synthesis of chiral polymers, liquid crystals, and other functional organic materials with specific optical properties.
• Agrochemical Development: Acts as a building block for creating enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Academic & Industrial R&D: A valuable tool compound for methodological studies in organic chemistry and process optimization.

Basic Information

Product Name	(S)-(-)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-Octahydro-1,1'-Bi-2,2'-Naphthalenediol, 97%
CAS No.	765278-73-7
Molecular Formula	C20H20Br2O2
Molecular Weight	452.18 g/mol
Synonyms	(S)-(-)-3,3'-Dibromo-1,1'-Bi-2,2'-naphthol, H8-BINOL Derivative; (S)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2-naphthol; (S)-(-)-3,3'-Dibromo-H8-BINOL; (S)-H8-3,3'-Dibromo-BINOL; Chiral Dibrominated Octahydrobinaphthol; Axially Chiral Dibromo Diol; (S)-(-)-3,3'-Dibromooctahydro-1,1'-binaphthyl-2,2'-diol
EINECS	Contact for details

Quality Control

Our (S)-(-)-3,3'-Dibromo-5,5',6,6',7,7',8,8'-Octahydro-1,1'-Bi-2,2'-Naphthalenediol, 97% is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical characterization, including chiral purity verification, to meet the exacting standards of research and process chemistry. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability. Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.