Fragmentation study of diastereoisomeric 2-methyltetrols, oxidation products of isoprene, as their trimethylsilyl ethers, using gas chromatography/ion trap mass spectrometry.
The diastereoisomeric 2-methyltetrols, 2-methylthreitol and 2-methylerythritol, were recently reported as major secondary aerosol components in natural forest aerosols and proposed as molecular markers for the photooxidation of isoprene. In this study, we examine the complex electron and methane chemical ionization behaviors of their trimethylsilyl ethers. In order to gain insight into their fragmentation behaviors, threitol and erythritol were studied as model compounds, and deuterium labeling of the trimethylsilyl groups and ion trap MS2 experiments were performed.
Department of Pharmaceutical Sciences, University of Antwerp (Campus Drie Eiken), Universiteitsplein 1, B-2610, Belgium.
Wu
W
Wang
Gyorgy
G
Vas
Roger
R
Dommisse
Kristof
K
Loones
Magda
M
Claeys
D002070:Butadienes / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D045782:Hemiterpenes / Q000737:chemistry*; D000432:Methanol / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000737:chemistry*; D010084:Oxidation-Reduction; D010420:Pentanes / Q000737:chemistry*; D013237:Stereoisomerism; D014297:Trimethylsilyl Compounds / Q000737:chemistry*
D002070:Butadienes; D045782:Hemiterpenes; D010420:Pentanes; D014297:Trimethylsilyl Compounds; C005059:isoprene; D000432:Methanol