Description

5,5'-Bis(Diphenylphosphino)-4,4'-Bi-1,3-Benzodioxole is a sophisticated bidentate phosphine ligand, a critical component in modern organometallic chemistry and catalysis. Its value lies in its ability to form stable complexes with transition metals, enabling highly selective and efficient chemical transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require advanced catalytic systems for complex synthesis.

Application

• Homogeneous Catalysis: A key ligand in cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira) for C-C and C-X bond formation.
• Pharmaceutical Intermediates: Enables the synthesis of complex, chiral drug molecules through asymmetric hydrogenation and other metal-catalyzed steps.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides requiring selective catalytic processes.
• Material Science Research: Facilitates the development of novel organometallic complexes and polymers with specific electronic or structural properties.
• Fine Chemical Manufacturing: Applied in the synthesis of specialty chemicals, flavors, and fragrances where high selectivity and yield are paramount.
• Academic & Industrial R&D: Serves as a fundamental tool for exploring new catalytic methodologies and reaction mechanisms.

Basic Information

Product Name	5,5'-Bis(Diphenylphosphino)-4,4'-Bi-1,3-Benzodioxole
CAS No.	244261-75-4
Molecular Formula	C40H28O4P2
Molecular Weight	634.59 g/mol
Synonyms	SEGPHOS; (R)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole; (S)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole; (R)-SEGPHOS; (S)-SEGPHOS; 4,4'-Bi-1,3-benzodioxole, 5,5'-bis(diphenylphosphino)-; DTXSID10894198; SEGPHOS ligand
EINECS	Contact for details

Quality Control

Our 5,5'-Bis(Diphenylphosphino)-4,4'-Bi-1,3-Benzodioxole is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chiral purity analysis by HPLC. A Certificate of Analysis (COA) detailing identity, purity, and specific parameters is provided with every shipment to support your quality assurance protocols.

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 15-25°C. This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee (R- or S- isomer)
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.