糖基原酸酯的电子轰击质谱研究
The studies of Electron Impact Mass Spectra of Some Sugar Orthoesters
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摘要: 本文报道了糖基原酸酯在电子轰击质谱中可能的裂解途径，并经同位素标记和亚稳离子扫描证实了所提出的裂解过程。Abstract: The fragmentation patterns of the carbohydrate 1, 2-orthoesters 1 ~ 6 in electronimpact mass spectrometry have been proposed,and verified by deuterium-labelled derivatives 7~9 and metastable ions scanning method,
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