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- [33] Five-membered 2,3-dioxo heterocycles: LXXXV. Synthesis of methyl 1-aryl-4,5-dioxo-3-(1-oxo-3-phenylprop-2-en-1-yl)-4,5-dihydro-1H-pyrrole-2-carboxylates and their reaction with 3-amino-5,5-dimethylcyclohex-2-en-1-ones. Molecular and crystalline structure of 4′-hydroxy-1′-(4-methoxyphenyl)-6,6-dimethyl-3′-(1-oxo-3-phenylprop-2-en-1-yl)-1-phenyl-6,7-dihydrospiro[indole-3,2′-pyrrole]-2,4,5′(1H,1′H,5H)-trione RUSSIAN JOURNAL OF ORGANIC CHEMISTRY, 2012, 48 (04) : 561 - 565
- [35] 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 RUSSIAN JOURNAL OF ORGANIC CHEMISTRY, 2012, 48 (10) : 1329 - 1332
- [36] Spiro heterocyclization of dimethyl 1-(4-methylphenyl)-4,5-dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylate by the action of 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones Russian Journal of Organic Chemistry, 2011, 47 : 1600 - 1601
- [37] 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 Russian Journal of Organic Chemistry, 2012, 48 : 1329 - 1332
- [39] Five-membered 2,3-dioxo heterocycles: LXXII. Recyclization of isopropyl 2-(1-aryl-4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrol-3-yl)-2-oxoacetates by the action of aliphatic amines Russian Journal of Organic Chemistry, 2011, 47 : 92 - 94
- [40] Five-membered dioxo heterocycles: CIV. Reaction of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with cyclic enehydrazines. Crystal and molecular structure of N-[3'-benzoyl-1'-(4-chlorophenyl)-4'-hydroxy-6,6-dimethyl-2,4,5'-trioxo-1',4,5,5',6,7-hexahydrospiro-[indole-3,2'-pyrrol]-1(2H)-yl]benzamide RUSSIAN JOURNAL OF ORGANIC CHEMISTRY, 2014, 50 (07) : 1012 - 1016