Description

1,1'-Binaphthalene, 2,2'-Diethoxy-, (1S)- (9Ci) is a chiral, enantiomerically pure binaphthyl derivative, a crucial structural motif in asymmetric synthesis. This compound serves as a high-value chiral ligand precursor and building block for constructing sophisticated molecular architectures. It is primarily utilized by research institutions and chemical manufacturers specializing in pharmaceutical intermediates, advanced materials, and catalysis development.

Application

• Chiral Ligand Synthesis: A key precursor for developing novel axially chiral ligands used in asymmetric catalysis (e.g., hydrogenation, coupling reactions).
• Pharmaceutical Intermediate: Employed in the research and production of enantiomerically pure active pharmaceutical ingredients (APIs).
• Advanced Material Research: Serves as a building block for chiral polymers, liquid crystals, and molecular recognition systems.
• Asymmetric Catalyst Development: Used in academic and industrial R&D to create and test new catalytic systems for fine chemical synthesis.
• Organic Synthesis Reagent: Acts as a chiral auxiliary or resolving agent in complex multi-step synthetic routes.

Basic Information

Product Name	1,1'-Binaphthalene, 2,2'-Diethoxy-, (1S)- (9Ci)
CAS No.	109135-27-5
Molecular Formula	C₂₄H₂₂O₂
Molecular Weight	342.43 g/mol
Synonyms	(S)-2,2'-Diethoxy-1,1'-binaphthalene; (S)-1,1'-Bi-2-naphthol diethyl ether; (S)-BINOL diethyl ether; (S)-2,2'-Diethoxy-1,1'-binaphthyl; (1S)-2,2'-Diethoxy-1,1'-binaphthalene; (S)-DAN; (S)-1,1'-Binaphthalene-2,2'-diyl diethyl ether
EINECS	Contact for details

Quality Control

Our 1,1'-Binaphthalene, 2,2'-Diethoxy-, (1S)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high enantiomeric excess (ee) and chemical purity. Certificates of Analysis (COA) detailing specific results are provided with every shipment to guarantee traceability and batch-to-batch consistency 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 heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (HPLC)	≥ 99.0% ee
Melting Point	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.