Mikro‐Bestimmung von Acetyl‐, Benzoyl‐ und
            <i>C</i>
            ‐Methylgruppen

Kühn, Richard; Roth, Hubert

doi:10.1002/cber.19330660922

Cited by 220 publications

(21 citation statements)

References 4 publications

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“…Ergosterol and its degradation products were oxidized to acetic acid by the Kuhn & Roth (1933) procedure as modified by Lemieux & Purves (1947).…”

Section: Methodsmentioning

confidence: 99%

“…The carboxyl carbon of acetate produced by the Kuhn & Roth (1933) procedure was oxidized to CO2 and the methyl carbon converted into methylamine by the Schmidt (1923) reaction, the procedure being essentially that of Madsen et al (1964). Reactions were carried out in a Warburg flask, and Hyamine hydroxide was used to trap the evolved CO2.…”

Section: Methodsmentioning

confidence: 99%

“…The olefinic bond of the side chain was cleaved to give dimethylbutyric acid by the procedure of Lemieux & von Rudloff (1955). This dimethylbutyric acid and the remaining nuclear fragment were each subjected to a Kuhn-Roth (1933) oxidation and the radioactivity of the resultant acetic acid was determined; the distribution Table 4. Effect of unlabelled acetyl-CoA and acetoacetyl-CoA on the incorporation of [2-14C]malonyl-CoA into f3-hydroxy-f3-methylglutaryl-CoA by rat liver microsomalpreparations The incubation mixture and conditions except for the substrates were as given in Table 3.…”

Section: Substratementioning

confidence: 99%

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An investigation into the role of malonyl-coenzyme A in isoprenoid biosynthesis

Higgins

Kekwick

1973

Biochemical Journal

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1. [(14)C]Malonyl-CoA was incorporated into isoprenoids by cell-free yeast preparations, by preparations from pigeon and rat liver, and by Hevea brasiliensis latex. 2. In agreement with previous reports the incorporation of acetyl-CoA into isoprenoids was not inhibited by avidin and was not stimulated by HCO(3) (-). In a cell-free yeast preparation addition of HCO(3) (-) stimulated the formation of fatty acids from acetyl-CoA and decreased the incorporation into unsaponifiable lipids. 3. The labelling patterns of beta-hydroxy-beta-methylglutaryl-CoA formed from [2-(14)C]- and [1,3-(14)C]-malonyl-CoA in rat and pigeon liver preparations were those that would be expected if malonyl-CoA underwent decarboxylation to acetyl-CoA before incorporation. 4. The labelling pattern of ergosterol formed by cell-free yeast preparations from [2-(14)C]malonyl-CoA was also consistent with decarboxylation of malonyl-CoA before incorporation. 5. The incorporation of [2-(14)C]malonyl-CoA into mevalonate by rat liver preparations was related to the malonyl-CoA decarboxylase activity present in the preparation.

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“…Ergosterol and its degradation products were oxidized to acetic acid by the Kuhn & Roth (1933) procedure as modified by Lemieux & Purves (1947).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Substratementioning

confidence: 99%

See 1 more Smart Citation

An investigation into the role of malonyl-coenzyme A in isoprenoid biosynthesis

Higgins

Kekwick

1973

Biochemical Journal

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“…Erhoht man die Temperatur auf -6O"C, zeigt das 'H-NMR-Spektrum das Auftreten der axialen und aquatorialen Methylgruppen des dimeren Acetonperoxids (3,3,6,2,4,,,DAP …”

Section: Baeyer-villiger-oxidation In Starken Saurenunclassified

Supersäurekatalysierte Oxygenierungen von Alkanen

Oláh¹,

Parker²,

Yoneda³

1978

Angew. Chem.

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“…The best procedures involve the use of a nonvolatile acid for the hydrolysis by steam distillation and titration of the volatile acidity. 248 ' 275 In the majority of cases the volatile acid has been presumed to be acetic acid. 192 Nuclear magnetic resonance spectroscopy is a convenient and rapid method for detection and quantitative determination of acetyl groups, and it is frequently possible to determine O-acetyl and JV-acetyl groups separately.…”

Section: Determination Of N-and O-acetylmentioning

confidence: 99%