Keto acids in tissues and biological flu
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U. Langenbeck; H. Luthe; Gritta Schaper
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Article
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1985
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John Wiley and Sons
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English
โ 293 KB
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Quinoxalinol t-butyldimethylsilyl ethers were prepared from three branched-chain and from two aliphatic unbranched 2-keto acids. The electrou impact (EL) mass spectra display pronounced [M-57]+ ions. With 39-51'/0 of total ion current contained within them, sensitivity is greater than on chemical io