[1,4-Bis(diphenylphosphino)butane]
Other Names:
1,4-Butanediylbis(diphenylphosphine)
1,4-Butylenebis(diphenylphosphine)
Tetramethylenebis(diphenylphosphine)
Structure:
CAS Number: 7688-25-7
Molecular Weight: 426.47 g/mol
Appearance: White solid
Melting Point: 132-136 C
1,4-Bis(diphenylphosphino)butane (Dppb) is a ligand typically used in palladium chemistry, but can also be used in chemistry involving other transition metals such as nickel or rhodium.
1) www.sigmaaldrich.com: 1,4-Bis(diphenylphosphino)butane (link)
2) www.alfa.com: B21122 1,4-Bis(diphenylphosphino)butane, 98% (link)
3) Molander, G. A.; Handbook of Reagents for Organic Synthesis, Catalyst Components for Coupling Reactions