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CAS 74839-84-2

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(2R,3R)-(+)-Bis(diphenylphosphino)butane

Description:
(2R,3R)-(+)-Bis(diphenylphosphino)butane, with CAS number 74839-84-2, is a chiral bidentate ligand commonly used in coordination chemistry and catalysis. This compound features two diphenylphosphino groups attached to a butane backbone, which imparts significant steric and electronic properties. The specific stereochemistry (2R,3R) indicates that the molecule has a defined three-dimensional arrangement, making it particularly useful in asymmetric synthesis. The presence of phosphorus atoms allows for strong coordination with transition metals, enhancing the reactivity and selectivity of catalytic processes. This ligand is often employed in palladium-catalyzed reactions, such as cross-coupling reactions, where it can facilitate the formation of carbon-carbon bonds. Its ability to stabilize metal complexes while providing chirality makes it valuable in the synthesis of enantiomerically pure compounds. Additionally, the bulky diphenyl groups contribute to the ligand's overall stability and solubility in organic solvents, making it versatile for various applications in organic synthesis and materials science.
Formula:C28H28P2
InChI:InChI=1/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/m1/s1
SMILES:C[C@H]([C@@H](C)P(c1ccccc1)c1ccccc1)P(c1ccccc1)c1ccccc1
Synonyms:
  • (2R,3R)-butane-2,3-diylbis(diphenylphosphane)
  • (2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
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