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Skuratova, M. I.; Федотова, О. В.; Reshetov, P. V.

doi:10.1023/a:1019537919225

Chemistry of Heterocyclic Compounds

2002

DOI: 10.1023/a:1019537919225

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M. I. Skuratova

О. В. Федотова

P. V. Reshetov

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Cited by 2 publications

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“…The only known facts concern the possibility of d-ketoacids formation under alkaline hydrolysis by the opening of the spirodimedonyl fragment [4], and the formation involving the latter of 3,4-dihydropyridin-2-ones at treating with ammonium acetate in the acetic acid [5].…”

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Reactions of Fused Carbonyl-containing Spirodihydrofurans with Hydrogen Sulfide and Acids

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Reactions were studied of fused spirodihydrofurans originating from 1,3-cyclohexanedione with hydrogen sufide arising in situ. Depending on a substituent at the atom C 3 of the heterocycle the reaction ended by thionation of the conjugated carbonyl group followed by heterocyclization involving the spirodimedonyl fragment. A quantum-chemical forecasting of the protonation stages of substrates and their thionated analogs was performed applying the semiempirical PM3 procedure. A probable mechanism of investigated transformations of the spirodihydrofurans was suggested.

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Reactions of Fused Carbonyl-containing Spirodihydrofurans with Hydrogen Sulfide and Acids

et al. 2005

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Synthesis of New Substituted Dihydropyridones

2003

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Pyridine derivativesPyridine derivatives R 0380 Synthesis of New Substituted Dihydropyridones -[via reaction of carbonyl--containing spirohydrofurans (I) with ammonium acetate under conditions of Tschitschibabin reaction]. -(SKURATOVA, M. I.; FEDOTOVA, O. V.; RESHETOV, P. V.; Chem. Heterocycl. Compd. (N. Y.) 38 (2002) 5, 625-626; Saratov State Univ., Saratov 410071, Russia; Eng.) -M. Schroeter 04-139

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Cited by 2 publications

References 2 publications

Reactions of Fused Carbonyl-containing Spirodihydrofurans with Hydrogen Sulfide and Acids

Reactions of Fused Carbonyl-containing Spirodihydrofurans with Hydrogen Sulfide and Acids

Synthesis of New Substituted Dihydropyridones

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