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Fragmentation pathways of O-trimethylsilyl ethers of dihydroxy long-chain bases analysed by linked-scan mass spectrometry

Authors
Journal
Journal of Chromatography B Biomedical Sciences and Applications
0378-4347
Publisher
Elsevier
Publication Date
Volume
562
Identifiers
DOI: 10.1016/0378-4347(91)80570-3

Abstract

Abstract The fragmentation pathways of O-trimethylsilyl (TMS) ethers of long-chain bases were studied by the linked-scan technique and exact mass measurements of the characteristic ion of O-trimethylsilyl long-chain bases detected by gas chromatography combined with electron-impact mass spectrometry. The results indicate that there are three pathways: the M + − 15 (CH 3) − 90 (TMSOH) − 74 [OSi(CH 3) 2] series, the M + − 103 (CH 2OTMS) − 90 (TMSOH) series and the M + − 132 (CHNH 2CH 2OTMS) series.

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