Five-membered 2,3-dioxo heterocycles: LIV. Double spiro heterocyclization of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones

doi:10.1134/S1070428007090126

Paper

Five-membered 2,3-dioxo heterocycles: LIV. Double spiro heterocyclization of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones

Published Sep 1, 2007 · Yu. N. Bannikova, A. N. Maslivets, Z. G. Aliev

Russian Journal of Organic Chemistry

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Abstract

Methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones in boiling benzene to give the corresponding 1,1′-diaryl-3′-benzoyl-4′-hydroxy-6,6-dimethyl-1,1′,2,4,5,5′,6,7-octahydrospiro[indole-3,2′-pyrrole]-2,4,5′-triones and 1′-aryl-4-arylamino-3-benzoyl-6′,6′-dimethyl-1′,2′,4′,5′,6′,7′-hexahydro-5H-spiro[furan-2,3′-indole]-2′,4′,5-triones whose structure was proved by X-ray analysis.

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This study demonstrates the double spiro heterocyclization of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 3-arylamino-5,5-dimethylcyclohex

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Five-membered 2,3-dioxo heterocycles: LIV. Double spiro heterocyclization of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones

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References

Five-membered 2,3-dioxo heterocycles: LIII. Reaction of 3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with substituted 1,3,3-trimethyl-3,4-dihydroisoquinolines. A new approach to 13-aza analogs of steroids

This study presents a new approach to 13-aza analogs of steroids by reacting 3-aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with substituted 1,3,3-trimethyl-3,4-dihydr

Five-membered 2,3-dioxo heterocycles: XLIX. Reaction of methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with N-substituted 3-amino-5,5-dimethyl-2-cyclohexenones

Methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates react with N-substituted 3-amino-5,5-dimethyl-2-cyclohexenones to

Completion and refinement of crystal structures with SIR92

This automatic procedure for recovering a complete crystal structure after direct phasing can be implemented in any direct-methods package, providing an estimate of structure determination success.

Citations

Synthesis of Spiro Compounds Based on 1H-Pyrrole-2,3-Diones

This review highlights progress in the synthesis of new polyheterocyclic compounds with concomitant formation of quaternary spiro centers, highlighting the importance of stereoselective construction in natural product synthesis.

Synthesis of Imidazole Spiro Compounds From 5-Alkoxycarbonyl-1H-Pyrrole-2,3-Diones and Phenylurea

This study demonstrates the synthesis of imidazole spiro compounds from 5-alkoxycarbonyl-1H-pyrrole-2,3-diones and phenylurea, with crystal structures of 8-hydroxy-3-phenyl-1,3,6-triazaspiro[

Cascade spiro-heterocyclization of pyrrolo[1,2-a][4,1]-benzoxazepinetriones under the action of carbocyclic enaminoketones

Carbocyclic enaminoketones can catalyze the cascade spiro-heterocyclization of pyrrolo[1,2-a][4,1]-benzoxazepinetriones, resulting in the formation of pyrrolobenzox

Five-membered 2,3-dioxo heterocycles: LXXV. Reaction of methyl 1-aryl-3-aroyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 1,3-diphenylguanidine. Crystalline and molecular structure of 9-Benzoyl-8-hydroxy-2-imino-6-(4-methylphenyl)-1,3-diphenyl-1,3,6-triazaspiro-[4.4]non-8-ene-4,7-dione

This study reveals the molecular and crystalline structures of 9-Benzoyl-8-hydroxy-2-imino-6-(4-methylphenyl)-1,3-diphenyl-1,3,6-triazaspiro[4.4]non-8-ene-4,7-di