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CAS 7301-93-1

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(2-bromoethyl)(triphenyl)phosphonium

Description:
(2-Bromoethyl)(triphenyl)phosphonium, with the CAS number 7301-93-1, is a quaternary ammonium compound characterized by the presence of a phosphonium cation. This compound features a triphenylphosphonium group, which consists of a phosphorus atom bonded to three phenyl rings, and a bromoethyl group that introduces a two-carbon alkyl chain with a bromine substituent. The presence of the bromine atom makes it a good leaving group, which can facilitate nucleophilic substitution reactions. This compound is typically a solid at room temperature and is soluble in organic solvents due to its non-polar phenyl groups. Its reactivity is influenced by the phosphonium cation, which can participate in various chemical transformations, including alkylation and coupling reactions. Additionally, (2-bromoethyl)(triphenyl)phosphonium is often used in organic synthesis and as a reagent in the preparation of other phosphonium salts or phosphines. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.
Formula:C20H19Br2P
InChI:InChI=1/C20H19BrP/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20/h1-15H,16-17H2/q+1
SMILES:c1ccc(cc1)P(CCBr)(c1ccccc1)c1ccccc1
Synonyms:
  • Phosphonium, (2-bromoethyl)triphenyl-
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