Abstract
Reactions of trimethylsilyl azide with 3-trimethylsilyl-2-propynal and 2-propynal were studied. X-Ray analysis of the molecular structure of 4-trimethylsilyl-1H-1,2,3-triazole-5-carbaldehyde showed that the carbonyl group appears in the s-cis conformation with respect to the double C=C bond in the heteroring. The effect of the temperature and polarity of the medium on the ability of 1H-1,2,3-triazole-5-carbaldehyde to undergo dimerization to tricyclic bis-hemiaminals was examined by IR and 1H NMR spectroscopy.
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Translated from Zhurnal Organicheskoi Khimii, Vol. 40, No. 12, 2004, pp. 1852–1857.
Original Russian Text Copyright © 2004 by Demina, Novopashin, Sarapulova, Larina, Smolin, Fundamenskii, Kashaev, Medvedeva.
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Demina, M.M., Novopashin, P.S., Sarapulova, G.I. et al. 1,3-dipolar cycloaddition of trimethylsilyl azide to propynals and dimerization of 1H-1,2,3-triazole-5-carbaldehydes to tricyclic bis-hemiaminals. Russ J Org Chem 40, 1804–1809 (2004). https://doi.org/10.1007/s11178-005-0103-4
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DOI: https://doi.org/10.1007/s11178-005-0103-4