Description

(R)-2,2'-Diethynyl-1,1'-Binaphthalene CAS NO 426210-81-3 is a high-value, axially chiral binaphthyl derivative featuring terminal alkyne functional groups. This compound matters as a versatile and sophisticated chiral building block for constructing advanced materials and asymmetric catalysts. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing novel chiral ligands, polymers, and molecular devices.

Application

• As a key chiral precursor for synthesizing novel helical polymers and conjugated materials with unique optical and electronic properties.
• In the development of asymmetric catalysts and chiral ligands for enantioselective synthesis in pharmaceutical intermediates.
• As a fundamental scaffold for constructing supramolecular architectures and molecular recognition systems.
• For research into nonlinear optical (NLO) materials and organic light-emitting diodes (OLEDs) due to its rigid, extended π-conjugated structure.
• In the synthesis of metal-organic frameworks (MOFs) and coordination polymers utilizing its alkyne groups for linkage.
• As a high-purity reference standard for analytical method development and quality control in chiral chemistry.

Basic Information

Product Name	(R)-2,2'-Diethynyl-1,1'-Binaphthalene
CAS No.	426210-81-3
Molecular Formula	C₂₄H₁₄
Molecular Weight	302.37 g/mol
Synonyms	(R)-1,1'-Binaphthalene-2,2'-diethyne; (R)-2,2'-Diethynyl-1,1'-binaphthyl; (R)-BINOL-diethynyl; (R)-DEBN; (R)-1,1'-Bi-2-naphthol-diethynyl derivative; (R)-Diethynylbinaphthyl; (R)-BINAP-diethyne analog; (R)-Axially chiral diethynyl compound
EINECS	Contact for details

Quality Control

Our (R)-2,2'-Diethynyl-1,1'-Binaphthalene is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization, including chiral purity verification by HPLC, to ensure it meets the high standards required for advanced research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store under an inert atmosphere (e.g., argon or nitrogen) at a controlled room temperature (15-25°C) in a cool, dry place. This material is easily oxidized and light-sensitive.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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