Conclusions
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1.
Aromatic aldehydes react with acyl isocyanates to give the corresponding substituted acylazomethines.
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2.
Aliphatic aldehydes react with trichloroacetyl isocyanate to give substituted acyl carbamates, and the trichloroacetamide of 2,2-dimethylaldo-3-propanoic acid in the case of isobutyraldehyde.
Literature cited
R. Graf, Ann. Chem.,661, 111 (1963).
K. Claus, H. J. Friedrich, and H. Jensen, Ann. Chem.,1974, 561.
J. W. Emsley, J. Feeney, and L. H. Sutcliffe, High Resolution Nuclear Magnetic Resonance Spectroscopy [Russian translation], Vol. 2, Mir (1968), p. 96.
R. Brehme and H. E. Nikolajewski, Tetrahedron,25, 1159 (1969).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 443–445, February, 1979.
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Arbuzov, B.A., Zobova, N.N. & Sofronova, O.V. Reaction of acyl isocyanates with aldehydes. Russ Chem Bull 28, 410–412 (1979). https://doi.org/10.1007/BF00925897
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DOI: https://doi.org/10.1007/BF00925897