Description

(R,R)-2,4-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane, 98% is a high-purity, chiral bisphosphine ligand of significant importance in asymmetric catalysis. Its core value lies in enabling highly enantioselective transformations, which are critical for the efficient synthesis of single-enantiomer intermediates in fine chemicals and pharmaceuticals. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise stereochemical control in hydrogenation and other transition metal-catalyzed reactions.

Application

• As a chiral ligand for asymmetric hydrogenation reactions, particularly for the synthesis of enantiomerically pure amino acids and pharmaceutical intermediates.
• Catalyst component in the enantioselective synthesis of fine chemicals and natural products.
• Use in academic and industrial research for developing new catalytic methodologies.
• Key reagent for the preparation of chiral transition metal complexes.
• Potential application in the synthesis of advanced materials requiring specific chirality.

Basic Information

Product Name	(R,R)-2,4-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane, 98%
CAS No.	217648-63-0
Molecular Formula	C45H56P2
Molecular Weight	658.88 g/mol
Synonyms	(R,R)-BisP*; (R,R)-2,4-Bis(di-3,5-xylylphosphino)pentane; (R,R)-Bis(di-3,5-dimethylphenylphosphino)pentane; (R,R)-BDPP; (R,R)-SKEWPHOS; (R,R)-1,2-Bis[(3,5-dimethylphenyl)phenylphosphino]ethane (common mis-assignment); (R,R)-DIOP derivative; Chiral bisphosphine ligand
EINECS	Contact for details

Quality Control

Our (R,R)-2,4-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot is characterized by advanced analytical techniques including NMR, HPLC, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity, and identity is 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 2-8°C or as specified on the label or COA. This compound is easily oxidized and moisture-sensitive; prolonged exposure to air or ambient conditions should be avoided to maintain efficacy.

Specification

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

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