N-Substituted 2,4,5-trienamides have been synthesised by the reactions of a 4,4-dialkylbuta-2,3-dienal with diethyl N-alkyl- and NN-dialkylcarbamoylmethylphosphonates, and characterised by i, r., u.v., and n.m.r. spectra. An attempted Wittig reaction of hepta-2,3-dienal and diethyl N-isobutylcarbamoylmethylphosphonate resulted in mainly nucleophilic attack at C-3 of the allenic aldehyde.
P. D. Landor, S. R. Landor and O. Odyek, J. Chem. Soc., Perkin Trans. 1, 1977, 93 DOI: 10.1039/P19770000093
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