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CAS 2767-70-6

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(4-Nitrobenzyl)triphenylphosphonium bromide

Description:
(4-Nitrobenzyl)triphenylphosphonium bromide is a quaternary ammonium salt characterized by its triphenylphosphonium cation and a 4-nitrobenzyl group. This compound typically appears as a crystalline solid and is soluble in polar organic solvents. It exhibits a strong dipole moment due to the presence of the nitro group, which contributes to its reactivity and potential applications in organic synthesis and as a phase transfer catalyst. The bromide anion provides ionic character, enhancing its solubility in various solvents. The compound is often used in synthetic organic chemistry, particularly in reactions involving nucleophilic substitutions and as a precursor for the generation of phosphonium ylides. Its stability under standard laboratory conditions makes it a valuable reagent, although care should be taken due to the potential toxicity associated with the nitro group. Overall, (4-Nitrobenzyl)triphenylphosphonium bromide is a versatile compound with significant utility in chemical research and synthesis.
Formula:C25H21NO2P·Br
InChI:InChI=1S/C25H21NO2P.BrH/c27-26(28)22-18-16-21(17-19-22)20-29(23-10-4-1-5-11-23,24-12-6-2-7-13-24)25-14-8-3-9-15-25;/h1-19H,20H2;1H/q+1;/p-1
InChI key:InChIKey=IPJPTPFIJLFWLP-UHFFFAOYSA-M
SMILES:[P+](CC1=CC=C(N(=O)=O)C=C1)(C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Br-]
Synonyms:
  • (4-Nitrobenzyl)(Triphenyl)Phosphonium
  • (4-Nitrobenzyl)(Triphenyl)Phosphonium Bromide
  • (4-Nitrobenzyl)triphenylphosphonium bromide
  • Bromo[(4-nitrophenyl)methyl]triphenylphosphorane
  • NSC 617038
  • Nsc 104840
  • Phosphonium, ((4-nitrophenyl)methyl)triphenyl-, bromide
  • Phosphonium, (p-nitrobenzyl)triphenyl-, bromide
  • Phosphonium, [(4-nitrophenyl)methyl]triphenyl-, bromide (1:1)
  • Triphenyl(p-nitrobenzyl)phosphonium bromide
  • (p-Nitrobenzyl)triphenylphosphonium bromide
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