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CAS 84783-64-2

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2,2'-Bis(diphenylphosphino)-1,1'-biphenyl

Description:
2,2'-Bis(diphenylphosphino)-1,1'-biphenyl, commonly referred to as BINAP, is a bidentate ligand widely used in coordination chemistry and catalysis. It features two diphenylphosphino groups attached to a biphenyl backbone, which enhances its steric and electronic properties. This compound is typically a white to off-white solid and is soluble in organic solvents such as dichloromethane and toluene. BINAP is known for its ability to form stable complexes with transition metals, particularly palladium and rhodium, making it valuable in asymmetric synthesis and various catalytic reactions, including cross-coupling reactions. The ligand's chirality can lead to enantioselective outcomes in reactions, which is crucial in the synthesis of pharmaceuticals and fine chemicals. Additionally, BINAP's structural features contribute to its effectiveness in stabilizing metal centers and facilitating catalytic cycles. Its CAS number, 84783-64-2, allows for easy identification in chemical databases and literature. Overall, BINAP is a significant compound in modern synthetic chemistry due to its versatility and effectiveness as a ligand.
Formula:C36H28P2
InChI:InChI=1/C36H28P2/c1-5-17-29(18-6-1)37(30-19-7-2-8-20-30)35-27-15-13-25-33(35)34-26-14-16-28-36(34)38(31-21-9-3-10-22-31)32-23-11-4-12-24-32/h1-28H
SMILES:c1ccc(cc1)P(c1ccccc1)c1ccccc1c1ccccc1P(c1ccccc1)c1ccccc1
Synonyms:
  • 2,2'-Bis(diphenylphosphino)biphenyl
  • Biphenyl-2,2'-Diylbis(Diphenylphosphane)
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