What is 1.1'-Binaphthyl-2.2'-diphemyl phosphine?

Identification

Name:    1.1'-Binaphthyl-2.2'-diphemyl phosphine 

CAS:    98327-87-8    

MF:    C44H32P2    

MW:    622.67    

EINECS:    619-338-0    

Molecular Structure   

Properties

Melting point     283-286 °C(lit.)   

Boiling point    724.3±55.0 °C(Predicted)    

Appearance:white to light yellow crystalline powder

Color    White to light beige

Water Solubility    Soluble in tetrahydrofuran, benzene and dichloromethane. Slightly soluble in ether, methanol and ethanol. Insoluble in water.    

Sensitive     Air Sensitive

Uses

racemic-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl ( (+/-)-BINAP ) is an essential role in the organic synthesis of enantioselective transformations catalyzed by the complexes of ruthenium, rhodium and palladium.

It is also employed in palladium-catalyzed arylamine coupling in the preparation of demethylthiocholchines.

used with Cu(II) to catalyze the addition of arylsulfonamides to styrenes and olefins.

Reactions

Phosphine Ligand Kit component.

Useful ligand for palladium-catalyzed carbon-nitrogen bond formation.

Useful ligand for rhodium-catalyzed C-C bond formation.

Useful ligand for palladium-catalyzed intramolecular acylation of aryl bromides via C-H activation.

Used in the preparation of Buchwald third generation precatalyst.

Used in methoxy directed Rhodium migration.

Used in Nickel catalyzed C-N cross-coupling reactions.