Description

(S)-2-Diphenyphosphino-2'-Phenyl-1,1'-Binaphthyl is a high-value, chiral monophosphine ligand essential for asymmetric catalysis. Its unique binaphthyl backbone and stereogenic phosphorus center enable precise control over reaction stereoselectivity, a critical factor in the synthesis of enantiomerically pure compounds. This ligand is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for developing efficient synthetic routes to chiral intermediates and active ingredients.

Application

• As a chiral ligand in asymmetric hydrogenation reactions for the production of enantiopure pharmaceutical intermediates.
• Catalyst component in asymmetric cross-coupling reactions (e.g., Suzuki-Miyaura, Heck) to construct chiral biaryl frameworks.
• Employed in asymmetric hydrosilylation and hydroformylation processes.
• Key reagent in academic and industrial methodology development for new catalytic transformations.
• Used in the synthesis of chiral ligands and catalysts with more complex architectures.
• Potential application in the synthesis of electronic materials and specialty polymers requiring chiral control.

Basic Information

Product Name	(S)-2-Diphenyphosphino-2'-Phenyl-1,1'-Binaphthyl
CAS No.	479079-13-5
Molecular Formula	C40H27P
Molecular Weight	538.61 g/mol
Synonyms	(S)-2-(Diphenylphosphino)-2'-phenyl-1,1'-binaphthyl; (S)-Phenyl-PHANEPHOS; (S)-2-Diphenylphosphino-2'-phenyl-1,1'-binaphthyl; (S)-2-(Diphenylphosphino)-2'-phenyl-[1,1'-binaphthalene]; (S)-2-Phenyl-2'-(diphenylphosphino)-1,1'-binaphthyl; (S)-P-Phos; (S)-BINAP-P; (S)-2-Diphenylphosphanyl-2'-phenyl-1,1'-binaphthyl
EINECS	Contact for details

Quality Control

Our (S)-2-Diphenyphosphino-2'-Phenyl-1,1'-Binaphthyl is manufactured under strict quality protocols to ensure batch-to-batch consistency and high catalytic performance. Each lot is characterized by advanced analytical techniques to confirm identity, chiral purity, and chemical purity. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store under an inert atmosphere (argon or nitrogen) at 2-8°C. The compound is easily oxidized and light-sensitive; handling in a glovebox or under a nitrogen atmosphere is recommended for critical applications.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (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.