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鬼臼及其羧酸酯类2位立体异构体的EI-MS研究 被引量:2

Study on the 2-stereisoimers of podophyllotoxin and its esters by EI mass spectrometry
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摘要 用EI-MS对鬼臼、苦鬼臼及它们的8个羧酸酯进行研究,发现通过比较图谱中的m/z 168,m/z 396和各自分子离子峰相对丰度的比值,可以区分鬼臼及其羧酸酯类2位立体异构体. Podophyllotoxin, picropodophyllotoxin and their eight esters were studied by EI-MS. The 2- stereisoimers of podophyllotoxin and its esters can be identified by calculating the ratio of relative abundance of m/z 168, m/z 396 to molecular ion in EI-MS.
作者 申大卫 田瑄
出处 《兰州大学学报(自然科学版)》 CAS CSCD 北大核心 2008年第2期74-77,82,共5页 Journal of Lanzhou University(Natural Sciences)
基金 甘肃省自然科学基金(32S061-A25-124)资助
关键词 鬼臼2位立体异构体 相对丰度 EI-MS 2-stereisoimers of podophyllotoxin relative abundance EI-MS
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