Mass Spectrometric Determination of Hydroformylation Products of Ethyl Sorbate

Kourey, R. E.; Tuffy, B. L.; Yarborough, V. A.

doi:10.1021/ac60155a019

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1992

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Cited by 6 publications

(1 citation statement)

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“…Mass spectra of aliphatic esters have been studied by Beynon, Saunders, and Williams (7) and of longer chain dicarboxylic acid esters by Kourey, Tuifly, and Yarborough (6). Figure 4 depicts the essential features of the mass spectra for the two synthetic isomers of methyl ethyl malate.…”

Section: M/ementioning

confidence: 99%

Identification of ethyl acid tartrate and one isomer of ethyl acid malate in California flor sherry

Webb¹,

Kepner²,

Maggiora³

1967

J. Agric. Food Chem.

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Section: M/ementioning

confidence: 99%

Identification of ethyl acid tartrate and one isomer of ethyl acid malate in California flor sherry

Webb¹,

Kepner²,

Maggiora³

1967

J. Agric. Food Chem.

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Identification and quantitation of urinary dicarboxylic acids as their dicyclohexyl esters in disease states by gas chromatography mass spectrometry

Norman

Berry

Denton

1979

Biol. Mass Spectrom.

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Clinical studies were conducted by gas chromatography mass spectrometry selected ion monitoring of urinary dicarboxylic acids as dicyclohexyl esters. The dicyclohexyl esters of the dicarboxylic acids give characteristic electron impact mass spectra suitable for selected ion monitoring. The mass spectra exhibit a prominent acid + 1H ion and an (acid + 1H)-H2O ion for use as quantitating and confirming ions. The cyclohexyl esters are stable for days at room temperature and have excellent chromatographic properties. Dicarboxylic acid quantitation is performed within one hour using only 50 microliter of unpurified urine. A rapid method specifically for methylmalonic acid quantitation is described which has assisted physicians in the diagnosis of pernicious anemia and methylmalonic aciduria. This procedure is applicable for screening urinary organic acids for detection of inborn errors of metabolism. The detection of a child with elevated medium length dicarboxylic acids in the terminal urine specimen is reported. This condition, previously described as an inborn error, is attributed to a terminal event. Finally, an increase in urinary succinic acid paralleling putrescine levels is described during a response to cancer chemotherapy.

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Steam Volatile Constituents From Seeds of Momordica Charantia L

Kikuchi

Ishikawa

Iida

et al. 1992

Developments in Food Science

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Mass Spectrometric Determination of Hydroformylation Products of Ethyl Sorbate

Abstract: The mean water contents found for the samples listed in Table III are 1.675 ± 0.003% (experiments 1 to 3), 0.834 ± 0.001% (experiments 4 to 6), 0.439 ± 0.001% (experiments 7 to 9), and 0.176 ± 0.001% (experiments 10 and 11).

Cited by 6 publications

References 6 publications

Identification of ethyl acid tartrate and one isomer of ethyl acid malate in California flor sherry

Identification of ethyl acid tartrate and one isomer of ethyl acid malate in California flor sherry

Identification and quantitation of urinary dicarboxylic acids as their dicyclohexyl esters in disease states by gas chromatography mass spectrometry

Steam Volatile Constituents From Seeds of Momordica Charantia L

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