Description

4,4'-[(1S)-6,6'-Dichloro-2,2'-Diethoxy[1,1'-Binaphthalene]-4,4'-Diyl]Bispyridine is a sophisticated chiral binaphthyl derivative, a high-value building block in advanced organic synthesis. Its core value lies in its rigid, axially chiral structure, which is essential for constructing asymmetric catalysts and ligands used in enantioselective transformations. This compound is critically needed by research institutions and fine chemical manufacturers specializing in pharmaceutical intermediates, agrochemicals, and materials science.

Application

• As a key chiral ligand precursor for transition metal catalysis in asymmetric synthesis.
• Building block for the development of novel organocatalysts used in pharmaceutical manufacturing.
• Intermediate in the synthesis of functionalized materials for chiral sensing and separation technologies.
• Research and development of molecular recognition systems and supramolecular chemistry.
• Precursor for advanced organic electronic materials requiring chiral, conjugated structures.
• Development of specialty fine chemicals and high-performance additives.

Basic Information

Item	Detail
Product Name	4,4'-[(1S)-6,6'-Dichloro-2,2'-Diethoxy[1,1'-Binaphthalene]-4,4'-Diyl]Bispyridine
CAS No.	431043-38-8
Molecular Formula	C36H28Cl2N2O2
Molecular Weight	603.53 g/mol
Synonyms	(S)-6,6'-Dichloro-2,2'-diethoxy-4,4'-di(pyridin-4-yl)-1,1'-binaphthyl; (S)-4,4'-Bis(4-pyridyl)-6,6'-dichloro-2,2'-diethoxy-1,1'-binaphthyl; (S)-6,6'-Dichloro-2,2'-diethoxy-4,4'-bis(4-pyridyl)-1,1'-binaphthalene; (S)-4,4'-(6,6'-Dichloro-2,2'-diethoxy-[1,1'-binaphthalene]-4,4'-diyl)dipyridine; Chiral Binaphthyl-Pyridine Ligand; BINAP-Pyridine Derivative; Axially Chiral Bipyridine Compound
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized using advanced analytical techniques to confirm identity, chiral purity, and chemical purity. Certificates of Analysis (COA) detailing specific results for chiral HPLC, NMR, and elemental analysis are available upon request. We adhere to a cGMP-compliant quality management system for traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere when appropriate for long-term stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 99.0% ee
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.