A mass spectrometric approach to the identification of conjugated drug metabolites
For the identification of intact underivatized drug conjugates, the mass spectrometric technique of choice is fast atom bombardment (FAB); the combined use of both positive and negative ion FAB usually provides information on the molecular mass and nature of conjugates under study, while the number...
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Published in | Biomedical & environmental mass spectrometry Vol. 14; no. 11; p. 689 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
England
01.11.1987
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Subjects | |
Online Access | Get more information |
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Summary: | For the identification of intact underivatized drug conjugates, the mass spectrometric technique of choice is fast atom bombardment (FAB); the combined use of both positive and negative ion FAB usually provides information on the molecular mass and nature of conjugates under study, while the number of exchangeable hydrogen atoms can be determined using trideuterated glycerol as the FAB-matrix. Electron impact and desorption chemical ionization spectra can be used to study the aglycone part of the conjugated metabolites. With this approach metabolites conjugated with glucuronic acid, sulphuric acid and amino acids have been identified. The identification was supported by analysis of reference compounds, prepared by chemical synthesis. The examples given are selected from current metabolism studies on drug candidates in development within Organon's research. |
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ISSN: | 0887-6134 |
DOI: | 10.1002/bms.1200141121 |