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CAS 7688-25-7

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1,4-Bis(diphenylphosphino)butane

Description:
1,4-Bis(diphenylphosphino)butane, commonly referred to as DPPB, is a bidentate ligand widely used in coordination chemistry and catalysis. It features a butane backbone with two diphenylphosphino groups attached at the 1 and 4 positions, which enhances its ability to chelate metal ions. DPPB is characterized by its relatively high stability and ability to form stable complexes with transition metals, making it valuable in various catalytic processes, including cross-coupling reactions and asymmetric synthesis. The compound is typically a white to off-white solid and is soluble in organic solvents such as dichloromethane and toluene. Its structure allows for significant steric hindrance, which can influence the reactivity and selectivity of metal complexes. Additionally, DPPB's phosphine groups can participate in various chemical reactions, including oxidation and coordination with electrophiles. Safety precautions should be taken when handling this compound, as phosphines can be toxic and may pose health risks if inhaled or ingested.
Formula:C28H28P2
InChI:InChI=1S/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2
InChI key:InChIKey=BCJVBDBJSMFBRW-UHFFFAOYSA-N
SMILES:P(CCCCP(C1=CC=CC=C1)C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4
Synonyms:
  • 1,1′-(1,4-Butanediyl)bis[1,1-diphenylphosphine]
  • 1,4-Bis(diphenylphosphanyl)butane
  • 1,4-Butanediylbis[diphenylphosphine]
  • 1,4-Butylenebis(diphenylphosphine)
  • 4-Diphenylphosphanylbutyl(Diphenyl)Phosphane
  • Butan-1,4-diylbis[diphenylphosphin]
  • Butane-1,4-diylbis[diphenylphosphine]
  • Butano-1,4-Diilbis[Difenilfosfina]
  • DPPB (catalyst precursor)
  • Dppb
  • See more synonyms
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