Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 24, Issue 11, Pages 1575-1582Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/rcm.4537
Keywords
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Funding
- Jacobs University Bremen GmbH
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All four regioisomers of feruloyl quinic acid and isoferuloyl quinic acid were synthesized and a liquid chromatography/tandem mass spectrometry (LC/MS/MS) method developed that resolves all eight regioisomers. All eight regioisomers can be readily distinguished by their MS/MS spectra in the negative ion mode, illustrating the power of tandem mass spectrometry to elucidate the structures of regioisomeric compounds. Compound identification is possible, either by direct comparison of spectral fingerprints or by rational probing of diagnostic fragment ions, thus allowing the identification of these important classes of natural products and potential human metabolites. Copyright (C) 2010 John Wiley & Sons, Ltd.
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