Abstract
The reactions of phenylhydrazine and hydroxylamine with (β-X-ethyl)triphenylphosphonium salts (X = Ph, Ph3P+Br–) (1, 2) afforded the corresponding β-N-ethyl-substituted triphenylphosphonium salts (3, 4). The reaction of triphenyl(2-phenylhydrazinoethyl)phosphonium bromide 3with an aqueous solution of NaOH in benzene afforded a statistical mixture of the nisand transisomers of 2-(diphenylphosphoryl)acetaldehyde phenylhydrazone. (2-Hydroxyaminoethyl)triphenylphosphonium bromide reacted with sodium methoxide to give O-phosphobetaine.
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Ovakimyan, M.Z., Barsegyan, S.K., Karapetyan, A.A. et al. Phosphonioethylation of phenylhydrazine and hydroxylamine and selected properties of the resulting derivatives. Russian Chemical Bulletin 51, 1744–1747 (2002). https://doi.org/10.1023/A:1021372009930
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DOI: https://doi.org/10.1023/A:1021372009930