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Characterization of N-ethoxycarbonyl ethyl esters of amino acids by mass spectrometry
ZH Huang, J Wang, DA Gage, JT Watson, CC Sweeley, P Husek
Jazyk angličtina Země Nizozemsko
Typ dokumentu Research Support, U.S. Gov't, P.H.S.
Grantová podpora
IZ851
MZ0
CEP - Centrální evidence projektů
PubMed
8486747
Knihovny.cz E-zdroje
- MeSH
- aminokyseliny * chemie MeSH
- estery chemie MeSH
- hmotnostní spektrometrie MeSH
- Publikační typ
- Research Support, U.S. Gov't, P.H.S. MeSH
Derivatization of amino acids by using ethyl chloroformate-ethanol-pyridine provides volatile products, N-ethoxycarbonyl amino acid ethyl esters (ECEEs), which are easily amenable to GC or GC-MS analysis. MS behavior of these compounds under electron-impact has been studied. The fragments observed in the spectra facilitate recognition of commonly occurring protein amino acids and characterization of unknown analogues.
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- $a Derivatization of amino acids by using ethyl chloroformate-ethanol-pyridine provides volatile products, N-ethoxycarbonyl amino acid ethyl esters (ECEEs), which are easily amenable to GC or GC-MS analysis. MS behavior of these compounds under electron-impact has been studied. The fragments observed in the spectra facilitate recognition of commonly occurring protein amino acids and characterization of unknown analogues.
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