Alexey Dubovtsev
0000-0001-6576-814X
Saint Petersburg University
27 papers found
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Formal [3+3] Cyclocondensation of 4-Acyl-1H-pyrrole-2,3-diones with Five-Membered Cyclic Enamines To Form Substituted 1H-Pyrazolo[3,4-b]pyridines and Isoxazolo[5,4-b]pyridines
Synthesis of spiro[imidazole-2,2′-pyrroles] by reaction of 4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with urea
Synthesis of Imidazole Spiro Compounds From 5-Alkoxycarbonyl-1H-Pyrrole-2,3-Diones and Phenylurea
Spirobisheterocyclization of 5-(Methoxycarbonyl)-1H-pyrrol-2,3-diones by the action of enaminoesters. Crystal and molecular structure of 1,7-diazaspiro[4.4]nonane
Reaction of methyl 3-aroyl-1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with arylhydrazines. synthesis of isomeric 5-arylcarbamoyl-4-aroyl- and 5-aryl-4-aryloxamoyl-1H-pyrazoles
Spiro-condensation of 5-methoxycarbonyl-1H-pyrrole-2,3-diones with cyclic enoles to form spiro substituted furo[3,2-c]-coumarins and quinolines
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
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