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Recyclization of 5-Aryl-1H-pyrrole-2,3-diones with Amidoximes. Synthesis of Enamines Containing a 1,2,4-Oxadiazole Fragment
Abstract5-Aryl-1 H -pyrrole-2,3-diones reacted with amidoximes to give enamines containing a 1,2,4-oxadiazole fragment that are potential precursors...
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Synthesis of Spiro[pyrrole-3,2'-pyrrolo[2,1-b]oxazoles] via 1,3-Dipolar Cycloaddition of 1H-Pyrrole-2,3-diones to Azomethine Ylides
AbstractThe 1,3-dipolar cycloaddition of 1 H -pyrrole-2,3-diones to azomethine ylides generated in situ by the condensation of L-proline and...
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Reaction of 1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones with N,N′-Diphenylguanidine
AbstractMethyl 3-aroyl-2-chloro-1-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1 H -pyrazol-4-yl)-4,5-dioxo-4,5-dihydro-1 H -pyrrole-2-carboxylates reacted...
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Reaction of 1H-pyrrole-2,3-diones with malononitrile and aminocyclohexenones: synthesis of spiro[pyrrole-3,4′-quinolines]
New polyhydroquinolines spiroannulated with the pyrrol-2-one moiety were synthesized by the 4-dimethylaminopyridine-catalyzed three-component...
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Regio- and Diastereoselective [4+2]-Cycloaddition of 4,5-Diaroyl-1H-pyrrole-2,3-diones and Cyclopentadiene
AbstractThermally initiated [4+2]-cycloaddition of 4,5-diaroyl-1 H -pyrrole-2,3-dione and cyclopentadiene as a dienophile afforded substituted...
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Regioselective [3+2] cycloaddition of nitrile oxides to 1Н-pyrrole-2,3-diones: synthesis of spiro[pyrroledioxazoles]
1,3-Dipolar cycloaddition of 1 H -pyrrole-2,3-diones to nitrile oxides generated in situ from N -hydroxybenzimidoyl chlorides by the action of...
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Reaction of 4,5-Diaroyl-1H-pyrrole-2,3-diones with Thiosemicarbazide. Synthesis of 1H-Pyrazole-5-carboxamides
AbstractThe reactions of 4,5-diaroyl-1 H -pyrrole-2,3-diones with thiosemicarbazide and semicarbazide involved elimination of carbothioamide or...
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[3+3]-Cyclocondensation of 4,5-Dibenzoyl-1H-pyrrole-2,3-diones with 5-Aminofuran. Synthesis of Furo[2,3-b]pyridines
Abstract4,5-Dibenzoyl-1 H -pyrrole-2,3-diones react with methyl 5-aminofuran-2-carboxylate to form methyl 4-benzoyl-5-(aminooxalyl)-6-phenylfuro[2,3- b ]...
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Three-Component Reaction of 1H-Pyrrole-2,3-diones with Malononitrile and Phthalhydrazide
AbstractBase-catalyzed three-component condensation of ethyl 4,5-dioxo-4,5-dihydro-1 H -pyrrole-3-carboxylates with malononitrile and phthalhydrazide...
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Synthesis of Oxirane Derivatives of 1H-Pyrrole-2,3-diones
Abstract1,3-Dipolar cycloaddition of diphenyldiazomethane to substituted 1 H -pyrrole-2,3-diones followed by the loss of a nitrogen molecule leads to...
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New Methods of Synthesis of Fused Maleimides
AbstractThe review covers publications over the past decade on new methods of synthesis of pyrrolo[3,4- b ]pyrrole-4,6(1 H ,5 H )-diones, 4 H -thieno[2,3- c ]pyrrole-4,6(5...
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Synthesis of Spiro(pyrrol-2,5'-pyrrolo[2,3-d]pyrimidine)-2',4',5,6'-tetraones by the Reaction of Pyrrolo[2,1-c][1,4]oxazinetriones with 6-Aminopyrimidine-2,4-diones
Abstract8-Aroyl-3,4-dihydro-1 H -pyrrolo[2,1- c ][1,4]oxazine-1,6,7-triones react with 6-aminopyrimidine-2,4(1 H ,3 H )-diones to form...
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[3+3] Cyclocondensation of 4,5-Dibenzoyl-1H-pyrrole-2,3-diones with 3-Aminocyclopent-2-enone. Synthesis of Cyclopenta[b]pyridines
4,5-Dibenzoyl-1 H -pyrrole-2,3-diones react with 3-aminocyclopent-2-en-1-one to form N -substituted 2-(4-benzoyl-5-oxo-2-phenyl-5 H -cyclopenta[ b ]pyridin-3-yl)-2-oxoacetamides....
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Synthesis of Spiro[pyrrole-2,5′-pyrrolo[2,3-d]pyrimidines] by Reaction of Pyrrolobenzoxazinetriones with 6-Amino-1,3-dimethyluracil
Abstract3-Aroylpyrrolo[2,1- c ][1,4]benzoxazine-1,2,4-triones reacted with 6-amino-1,3-dimethylpyrimidine-2,4(1 H ,3 H )-diones to give...
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Synthesis of Heterocyclic Aldols by Reaction of Pyrrolooxazinetriones with Dimedone
Abstract8-Aroyl-3,4-dihydro-1 H -pyrrolo[2,1- с ][1,4]oxazine-1,6,7-triones react with 5,5-dimethylcyclohexane-1,3-dione to form...
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Synthesis of Spiro[indoline-pyrroles] by the Reaction of Pyrrolooxazinetriones with N-Ethylaniline
Abstract8-Aroyl-3,4-dihydro-1 Н -pyrrolo[2,1- с ][1,4]oxazine-1,6,7-triones reacts with N -ethylaniline with formation of N -phenyl- N -ethylammonium...
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Synthesis of Spiro[pyrrole–pyrrolizidines] by 1,3-Dipolar Cycloaddition of Azomethine Ylides to 3-Ylidenepyrrol-2-ones
AbstractThe Knoevenagel condensation of 1 H -pyrrole-2,3-diones with malononitrile gave 3-(dicyanomethylidene)-2,3-dihydro-1 H -pyrrole-2-ones which...
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Multicomponent synthesis of 1,5,6,7-tetrahydro-4H-indol-4-one derivatives
The data on multicomponent methods of tetrahydro-4 H -indol-4-one synthesis published over the past ten years are summarized in this review. Three main...
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Synthesis of chromeno[2,3-c]pyrrol-9(2H)-ones (microreview)
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Synthesis of Spiro[indole-3,2′-pyrrole]triones by the Reaction of Pyrrolobenzoxazepinetriones with Enaminoketone
AbstractThe reaction of 3-aroylpyrrolo[1,2- a ][4,1]benzoxazepine-1,2,4-triones with 3-(cyclohexylamino)-5,5-dimethylcyclohex-2-en-1-one afforded...
