Description

(R)-Methyl Soniphos is a chiral phosphine ligand of significant importance in asymmetric catalysis. This compound matters because it enables the precise control of stereochemistry in the synthesis of complex organic molecules, leading to higher yields and purities of desired enantiomers. Industries that need it include pharmaceutical R&D and manufacturing, where it is used to create active pharmaceutical ingredients (APIs), and fine chemical production for advanced materials and agrochemicals.

Application

• As a chiral ligand in asymmetric hydrogenation reactions for pharmaceutical intermediates.
• Catalyst component in the synthesis of enantiomerically pure fine chemicals and agrochemicals.
• Used in academic and industrial research for developing new catalytic methodologies.
• Critical for the production of chiral active pharmaceutical ingredients (APIs) requiring high enantiomeric excess.
• Employed in cross-coupling and other transition metal-catalyzed asymmetric transformations.

Basic Information

Product Name	(R)-Methyl Soniphos
CAS No.	398127-98-5
Molecular Formula	C31H32P2
Molecular Weight	466.53 g/mol
Synonyms	(R)-Methyl-SONIPHOS; (R)-Me-SONIPHOS; (R)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine; (R)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyl(dicyclohexyl)phosphine; (R)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldi(cyclohexyl)phosphine; Josiphos ligand SL-J009-1; (R)-(S)-Me-SL-J009-1
EINECS	Contact for details

Quality Control

Our (R)-Methyl Soniphos is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC and NMR, to ensure high chemical and enantiomeric purity. Certificates of Analysis (COA) detailing identity, purity, and specific impurities are available upon request 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) in a cool, dry place at room temperature (15-25°C). This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and performance.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%

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