Description

(R)-1,1'-Bi-2-Naphthol Dibenzoate is a high-purity chiral chemical intermediate derived from enantiomerically pure BINOL. This compound matters for its role as a versatile precursor in asymmetric synthesis, offering a protected form of the valuable (R)-BINOL scaffold. It is needed by research institutions and pharmaceutical manufacturers developing chiral catalysts, ligands, and active pharmaceutical ingredients (APIs) where precise stereochemical control is critical.

Application

• As a key chiral precursor for synthesizing novel asymmetric catalysts and ligands.
• In the research and development of pharmaceutical intermediates requiring high enantiomeric purity.
• For the preparation of advanced functional materials with specific optical properties.
• As a building block in organic synthesis for constructing complex, stereodefined molecular architectures.
• In academic and industrial R&D focused on stereoselective reactions and process chemistry.

Basic Information

Product Name	(R)-1,1'-Bi-2-Naphthol Dibenzoate
CAS No.	291772-40-2
Molecular Formula	C34H22O4
Molecular Weight	494.54 g/mol
Synonyms	(R)-BINOL Dibenzoate; (R)-1,1'-Binaphthalene-2,2'-diyl dibenzoate; (R)-2,2'-Bis(benzoyloxy)-1,1'-binaphthyl; (R)-BINOL Bisbenzoate; (R)-1,1'-Bi-2-naphthyl Dibenzoate; (R)-BINOL DiOBz
EINECS	Contact for details

Quality Control

Our (R)-1,1'-Bi-2-Naphthol Dibenzoate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric excess (ee) and standard purity assays, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive (store away from light).

Specification

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