Description

Phosphine, 1,1'-(Oxydi-2,1-Phenylene)Bis[1,1-Bis(4-Methoxy-3,5-Dimethylphenyl)- is a specialized organophosphorus compound featuring a complex, multi-aryl-substituted structure centered on a phosphine core. This compound matters as a high-value ligand precursor or catalyst component in advanced chemical synthesis, where its steric and electronic properties are critical for reaction control. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials sectors for applications such as cross-coupling reactions and asymmetric catalysis.

Application

• Ligand in Transition Metal Catalysis: For use in palladium- or nickel-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Negishi) to form C-C bonds in complex molecule synthesis.
• Precursor for Chiral Catalysts: As a building block for developing asymmetric catalysts used in the production of enantiomerically pure pharmaceuticals and agrochemicals.
• Polymerization Catalyst Component: In the synthesis of specialized polymers and materials where precise control over molecular weight and structure is required.
• Organic Light-Emitting Diode (OLED) Materials Research: As an intermediate in the development of novel electron-transport or host materials for display and lighting technologies.
• Chemical Research & Development: Serving as a key reagent for methodological development and exploration of new reaction pathways in academic and industrial laboratories.

Basic Information

Item	Detail
Product Name	Phosphine, 1,1'-(Oxydi-2,1-Phenylene)Bis[1,1-Bis(4-Methoxy-3,5-Dimethylphenyl)-
CAS No.	2054939-79-4
Molecular Formula	C46H48O3P2
Molecular Weight	734.80 g/mol
Synonyms	Bis[1,1-bis(4-methoxy-3,5-dimethylphenyl)phosphino]-2,2'-oxydibenzene; 2,2'-Oxybis[N,N-bis(4-methoxy-3,5-dimethylphenyl)phosphanamine]; (Oxydi-2,1-phenylene)bis[bis(4-methoxy-3,5-dimethylphenyl)phosphine]; DPEPhos-type ligand derivative; Multi-aryl phosphine ligand; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to strict in-process controls and final batch analysis. Quality is verified against established internal specifications using techniques including HPLC, NMR, and elemental analysis to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each 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 controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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