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CAS 59159-39-6

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(tert-Butoxycarbonylmethyl)triphenylphosphonium bromide

Description:
(tert-Butoxycarbonylmethyl)triphenylphosphonium bromide, with the CAS number 59159-39-6, is a quaternary ammonium salt characterized by its triphenylphosphonium cation and a tert-butoxycarbonylmethyl group. This compound typically appears as a white to off-white solid and is soluble in polar organic solvents. It is often used in organic synthesis, particularly in the formation of phosphonium ylides, which are valuable intermediates in various chemical reactions, including the Wittig reaction for alkene synthesis. The presence of the tert-butoxycarbonyl group provides stability and protection to reactive functional groups during synthetic transformations. Additionally, the bromide anion contributes to the compound's ionic nature, influencing its reactivity and solubility. Safety data indicates that, like many phosphonium salts, it should be handled with care, as it may pose risks if ingested or inhaled. Overall, this compound is significant in synthetic organic chemistry due to its utility in facilitating complex transformations.
Formula:C24H26O2P
InChI:InChI=1/C24H26O2P/c1-24(2,3)26-23(25)19-27(20-13-7-4-8-14-20,21-15-9-5-10-16-21)22-17-11-6-12-18-22/h4-18H,19H2,1-3H3/q+1
SMILES:CC(C)(C)OC(=O)CP(c1ccccc1)(c1ccccc1)c1ccccc1
Synonyms:
  • (2-tert-Butoxy-2-oxoethyl)(triphenyl)phosphonium bromide
  • Phosphonium, [2-(1,1-Dimethylethoxy)-2-Oxoethyl]Triphenyl-, Bromide (1:1)
  • (2-Tert-Butoxy-2-Oxoethyl)(Triphenyl)Phosphonium
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