Structural characterization of acetylpyridinium-ethyl pyruvate adducts by electrospray ionization mass spectrometry

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4 Citations (Scopus)

Abstract

The reactions of ethyl pyruvate with acetic anhydride and pyridine were studied by electrospray ionization mass spectrometry (ESI-MS). Ethyl 2-acetoxy-2-pyridiniumpropionate (1)(m/z 238) resulting from the reaction of the acetylpyridinium cation with ethyl pyruvate, and the adduct of ethyl 2-acetoxyacrylate with a pyridinium cation (2), bound together by non-covalent interactions (m/z 238), were identified by ESI-MS for the first time. Structures 1 and 2 cannot be distinguished, probably because one may be converted into the other and vice versa.

Original languageEnglish
Pages (from-to)1034-1038
Number of pages5
JournalJournal of Mass Spectrometry
Volume37
Issue number10
DOIs
Publication statusPublished - Oct 1 2002

Fingerprint

pyruvates
Electrospray ionization
Electrospray Ionization Mass Spectrometry
adducts
Mass spectrometry
Cations
mass spectroscopy
Positive ions
cations
ionization
anhydrides
Pyridine
pyridines
interactions
ethyl pyruvate
pyridine
acetic anhydride
ethyl acetoxyacrylate

Keywords

  • Acetylpyridinium
  • Adducts
  • Electrospray ionization mass spectrometry
  • Ethyl pyruvate

ASJC Scopus subject areas

  • Organic Chemistry
  • Spectroscopy
  • Biophysics

Cite this

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title = "Structural characterization of acetylpyridinium-ethyl pyruvate adducts by electrospray ionization mass spectrometry",
abstract = "The reactions of ethyl pyruvate with acetic anhydride and pyridine were studied by electrospray ionization mass spectrometry (ESI-MS). Ethyl 2-acetoxy-2-pyridiniumpropionate (1)(m/z 238) resulting from the reaction of the acetylpyridinium cation with ethyl pyruvate, and the adduct of ethyl 2-acetoxyacrylate with a pyridinium cation (2), bound together by non-covalent interactions (m/z 238), were identified by ESI-MS for the first time. Structures 1 and 2 cannot be distinguished, probably because one may be converted into the other and vice versa.",
keywords = "Acetylpyridinium, Adducts, Electrospray ionization mass spectrometry, Ethyl pyruvate",
author = "M. Bart{\'o}k and T. Bart{\'o}k and G. Sz{\"o}llősi and K. Felf{\"o}ldi",
year = "2002",
month = "10",
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doi = "10.1002/jms.359",
language = "English",
volume = "37",
pages = "1034--1038",
journal = "Biological Mass Spectrometry",
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T1 - Structural characterization of acetylpyridinium-ethyl pyruvate adducts by electrospray ionization mass spectrometry

AU - Bartók, M.

AU - Bartók, T.

AU - Szöllősi, G.

AU - Felföldi, K.

PY - 2002/10/1

Y1 - 2002/10/1

N2 - The reactions of ethyl pyruvate with acetic anhydride and pyridine were studied by electrospray ionization mass spectrometry (ESI-MS). Ethyl 2-acetoxy-2-pyridiniumpropionate (1)(m/z 238) resulting from the reaction of the acetylpyridinium cation with ethyl pyruvate, and the adduct of ethyl 2-acetoxyacrylate with a pyridinium cation (2), bound together by non-covalent interactions (m/z 238), were identified by ESI-MS for the first time. Structures 1 and 2 cannot be distinguished, probably because one may be converted into the other and vice versa.

AB - The reactions of ethyl pyruvate with acetic anhydride and pyridine were studied by electrospray ionization mass spectrometry (ESI-MS). Ethyl 2-acetoxy-2-pyridiniumpropionate (1)(m/z 238) resulting from the reaction of the acetylpyridinium cation with ethyl pyruvate, and the adduct of ethyl 2-acetoxyacrylate with a pyridinium cation (2), bound together by non-covalent interactions (m/z 238), were identified by ESI-MS for the first time. Structures 1 and 2 cannot be distinguished, probably because one may be converted into the other and vice versa.

KW - Acetylpyridinium

KW - Adducts

KW - Electrospray ionization mass spectrometry

KW - Ethyl pyruvate

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