Abstract
Methyl 1-aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with 4-benzylamino- and 4-arylaminopent-3-en-2-ones to give 1-aryl-7-benzyl- and 1,7-diaryl-9-acetyl-4-cinnamoyl-3-hydroxy-8-methyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-diones. The crystalline and molecular structures of 9-acetyl-4-cinnamoyl-3-hydroxy-1-(4-methoxyphenyl)-8-methyl-7-phenyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-dione were studied by X-ray analysis.
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Original Russian Text © P.S. Silaichev, V.O. Filimonov, P.A. Slepukhin, A.N. Maslivets, 2012, published in Zhurnal Organicheskoi Khimii, 2012, Vol. 48, No. 10, pp. 1334–1337.
For communication LXXXVIII, see [1].
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Silaichev, P.S., Filimonov, V.O., Slepukhin, P.A. et al. Five-membered 2,3-dioxo heterocycles: LXXXIX. Reaction of methyl 1-aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with (E)-4-arylaminopent-3-en-2-ones. Crystalline and molecular structure of 9-acetyl-4-cinnamoyl-3-hydroxy-1-(4-methoxyphenyl)-8-methyl-7-phenyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-dione. Russ J Org Chem 48, 1329–1332 (2012). https://doi.org/10.1134/S1070428012100120
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DOI: https://doi.org/10.1134/S1070428012100120