Addition of enolates of dicarbonyl compounds to 1,3,5-triazinylnitrile oxides, prepared in situ from 2-R-4-R1-1,3,5-triazin-6-ylnitroformaldoximes, led to the formation of 3,4,5-trisubstituted isoxazoles. The X-ray crystal structure of 4-ethoxycarbonyl-3-(2′-methoxy-5-methyl-4′-pyrrolidinyl-1,3,5-triazin-6′-yl)-5-isoxazole is described.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, 743–752, May, 2009.
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Bakharev, V.V., Peresedova, E.V., Krivolapov, D.B. et al. Reactions of 1,3,5-triazinyl-nitroformaldoximes. 1. Interaction of 1,3,5-triazinylnitroformaldoximes with dicarbonyl compounds. Chem Heterocycl Comp 45, 587–594 (2009). https://doi.org/10.1007/s10593-009-0314-7
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DOI: https://doi.org/10.1007/s10593-009-0314-7