Abstract
Methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with methyl 2-arylamino-4-(2-naphthyl)-4-oxobut-2-enoates to give methyl 1,7-diaryl-4-aroyl-3-hydroxy-9-(2-naphthalen-2-ylcarbonyl)-2,6-dioxo-1,7-diazaspiro[4.4]nona-3,8-diene-8-carboxylates.
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Original Russian Text © E.S. Denislamova, A.Yu. Dubovtsev, P.A. Slepukhin, A.N. Maslivets, 2014, published in Zhurnal Organicheskoi Khimii, 2014, Vol. 50, No. 7, pp. 1034–1037.
For communication CIV, see [1].
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Denislamova, E.S., Dubovtsev, A.Y., Slepukhin, P.A. et al. Five-membered 2,3-dioxo heterocycles: CV. Reaction of methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with methyl 2-arylamino-4-(2-naphthyl)-4-oxobut-2-enoates. Crystal and molecular structure of substituted 1,7-diazaspiro[4.4]nonane. Russ J Org Chem 50, 1017–1021 (2014). https://doi.org/10.1134/S1070428014070148
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DOI: https://doi.org/10.1134/S1070428014070148