Description

(R)-2,2'-Binaphthyl-20-Crown-6 is a chiral crown ether derivative, a highly selective host molecule designed for the recognition and separation of enantiomers. Its value lies in its ability to form stable complexes with specific chiral ammonium ions, making it a critical tool for asymmetric synthesis and analytical chemistry. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity chiral auxiliaries or stationary phases for chromatographic separation.

Application

• Chiral Stationary Phase (CSP) for HPLC: Used as a selector in high-performance liquid chromatography for the enantiomeric resolution of racemic mixtures containing primary ammonium ions.
• Asymmetric Synthesis Catalyst: Acts as a chiral phase-transfer catalyst in organic reactions to induce enantioselectivity.
• Chiral Sensor Development: Incorporated into sensor materials for the optical or electrochemical detection of chiral analytes.
• Membrane Transport Facilitator: Employed in studies of chiral recognition across liquid membranes for separation processes.
• NMR Chiral Shift Reagent: Used to induce chemical shift differences in the NMR spectra of enantiomers for analysis.
• Academic & Industrial R&D: A fundamental reagent for research in supramolecular chemistry, host-guest interactions, and chiral technology development.

Basic Information

Product Name	(R)-2,2'-Binaphthyl-20-Crown-6
CAS No.	75684-69-4
Molecular Formula	C₃₄H₃₂O₆
Molecular Weight	536.62 g/mol
Synonyms	(R)-(+)-2,2'-Binaphthyl-20-crown-6; (R)-1,1'-Binaphthyl-20-crown-6; (R)-BNC-20-Crown-6; (R)-Binaphtho-20-crown-6; (R)-1,1'-Binaphthyl-2,2'-diyl 3,6,9,12,15,18-hexaoxaeicosane-1,20-diyl ether; (R)-Enantiomer of BINOL-based crown ether; (R)-BINOL-20-Crown-6
EINECS	Contact for details

Quality Control

Our (R)-2,2'-Binaphthyl-20-Crown-6 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and process applications. A Certificate of Analysis (COA) detailing specific results for purity, enantiomeric excess, and identity is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This compound is hygroscopic (moisture-sensitive); keep the container tightly sealed in a desiccated environment to maintain stability and performance.

Specification

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