Description

(R)-An-Phanephos CAS NO 364732-86-5 is a high-purity, chiral phosphine ligand essential for asymmetric catalysis. Its primary value lies in enabling highly enantioselective transformations, critical for producing single-isomer intermediates in pharmaceutical and fine chemical synthesis. This product is specifically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing efficient synthetic routes to chiral molecules.

Application

• As a chiral ligand in asymmetric hydrogenation reactions for pharmaceutical intermediate synthesis.
• Catalyst component for enantioselective C-C and C-X bond-forming reactions in fine chemical production.
• Key reagent in the development of novel catalytic processes for academic and industrial research.
• Used in the synthesis of enantiomerically pure agrochemicals and flavors & fragrances.
• Facilitates asymmetric synthesis in medicinal chemistry for drug discovery programs.
• Employed in process chemistry for the scale-up of chiral active pharmaceutical ingredients (APIs).

Basic Information

Product Name	(R)-An-Phanephos
CAS No.	364732-86-5
Molecular Formula	C44H32P2
Molecular Weight	622.67 g/mol
Synonyms	(R)-(-)-2,2'-Bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl; (R)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphino]-1,1'-binaphthyl; (R)-XYL-AN-Phanephos; (R)-An-Phanephos Ligand; (R)-p-Anisyl-Phanephos; (R)-3,5-Xylyl-Phanephos; (R)-(-)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphino]-1,1'-binaphthyl
EINECS	Contact for details

Quality Control

Our (R)-An-Phanephos is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot is characterized by advanced analytical techniques, including chiral HPLC and NMR spectroscopy. Certificates of Analysis (COA) detailing purity, chiral purity, and identity are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry place. This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details

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