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Digitale Medien

Tautomerism and vapor-phase transformations of 2-hydroxytetrahydrofuran (2000)

Lebedev, A. ; Leite, L. ; Fleisher, M. ; [weitere]

Springer

Chemistry of heterocyclic compounds 36 (2000), S. 775-778

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ISSN: 1573-8353

Schlagwort(e): 2-hydroxytetrahydrofuran ; 4-hydroxybutanal ; 2,3-dihydrofuran ; tautomerism ; dehydration ; AM1 method ; concerted mechanism

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The relative stability of 2-hydroxytetrahydrofuran and the tautomeric 4-hydroxybutanal was determined by the semi-empirical AM1 method. It was concluded that the cyclic tautomer predominates in the gas phase at 25°C. Vapor-phase dehydration of 2-hydroxytetrahydrofuran in the presence of porcelain and silica gel L leads to a quantitative yield of 2,3-dihydrofuran.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02256908

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Digitale Medien

Effect of natural and synthetic antioxidants (polyhydroxynaphthaquinones) on cholesterol metabolism in cultured rabbit hepatocytes (1992)

Lakeev, Yu. V. ; Kosykh, V. A. ; Kosenkov, E. I. ; [weitere]

Springer

Bulletin of experimental biology and medicine 114 (1992), S. 1611-1614

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ISSN: 1573-8221

Schlagwort(e): antioxidants ; hepatocytes in culture ; bile acids ; high-density lipoproteins

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00837651

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Digitale Medien

Determination of plasma concentration of the cardioprotective preparation histochrome (1996)

Ivanova, M. V. ; Lebedev, A. V. ; Mishchenko, N. P. ; [weitere]

Springer

Bulletin of experimental biology and medicine 122 (1996), S. 1222-1224

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ISSN: 1573-8221

Schlagwort(e): free-radical pathology ; antioxidants ; polyhydroxynaphthoquinones ; histochrome ; pharmacokinetics

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Abstract A method for measuring the plasma concentration of histochrome is described. Echinochrome, a naturally occurring polyhydroxynaphthoquinone with antioxidant and cardioprotective activities, is the active ingredient of histochrome. Plasma histochrome concentration is measured in patients with acute myocardial infarction. This method can be used for pharmacokinetic analysis.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02445200

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