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CAS 3462-97-3

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(4-Methoxybenzyl)triphenylphosphonium chloride

Description:
(4-Methoxybenzyl)triphenylphosphonium chloride is a quaternary ammonium salt characterized by its triphenylphosphonium cation and a 4-methoxybenzyl group. This compound typically appears as a white to off-white solid and is soluble in polar organic solvents, such as methanol and acetone, but may have limited solubility in non-polar solvents. It is known for its role in organic synthesis, particularly in the formation of phosphonium ylides, which are useful intermediates in various reactions, including the Wittig reaction for alkene synthesis. The presence of the methoxy group enhances the electron density of the aromatic ring, potentially influencing its reactivity and stability. Additionally, the chloride anion serves as a counterion, contributing to the overall ionic character of the compound. Safety precautions should be taken when handling this substance, as with many organophosphorus compounds, due to potential toxicity and reactivity. Proper storage conditions typically involve a cool, dry environment to maintain stability.
Formula:C26H24OP·Cl
InChI:InChI=1S/C26H24OP.ClH/c1-27-23-19-17-22(18-20-23)21-28(24-11-5-2-6-12-24,25-13-7-3-8-14-25)26-15-9-4-10-16-26;/h2-20H,21H2,1H3;1H/q+1;/p-1
InChI key:InChIKey=YQXBNCFNXOFWLR-UHFFFAOYSA-M
SMILES:[P+](CC1=CC=C(OC)C=C1)(C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Cl-]
Synonyms:
  • Phosphonium, [(4-methoxyphenyl)methyl]triphenyl-, chloride
  • Phosphonium, [(4-methoxyphenyl)methyl]triphenyl-, chloride (1:1)
  • (4-Methoxybenzyl)triphenylphosphonium chloride
  • Phosphonium, (p-methoxybenzyl)triphenyl-, chloride
  • (p-Methoxybenzyl)triphenylphosphonium chloride
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