延龄草中2 个甾体皂苷的2D NMR 研究
收稿日期: 2014-05-26
修回日期: 2015-01-12
网络出版日期: 2015-03-05
基金资助
国家自然科学基金资助项目(81373978);陕西省重点科技创新团队资助项目(2012KCT-20);陕西省“13115”科技创新工程专项资助项目(2010ZDGC-22);陕西省教育厅科技计划资助项目(09jk394).
A Two-Dimensional NMR Study on Steroid Glycosides Extracted from Trillium tschonoskii
Received date: 2014-05-26
Revised date: 2015-01-12
Online published: 2015-03-05
Supported by
国家自然科学基金资助项目(81373978);陕西省重点科技创新团队资助项目(2012KCT-20);陕西省“13115”科技创新工程专项资助项目(2010ZDGC-22);陕西省教育厅科技计划资助项目(09jk394).
采用柱色谱法从延龄草中分离得到两个甾体皂苷化合物,即(25S)-27-羟基-偏诺皂苷元-3β-O-α-L-吡喃鼠李糖基-(1→4)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷{(25S)-27-hydroxy-penogenin-3β-O-α-L-rhamnopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glucopyranoside, 1} 、(25S)-27- 羟基- 偏诺皂苷元-3β-O-α-L- 吡喃鼠李糖基-(1→4)-O-α-L-吡喃鼠李糖基-(1→4)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷(polyphylloside III, 2),应用1H NMR,13C NMR,DEPT,HSQC,HMBC,1H-1H COSY 和NOESY NMR 技术进行结构解析,并对化合物1,2 的1H NMR,13C NMR 数据进行全归属.
柴江1 , 王 欣3 , 李慧敏4 , 张欣1 , 杨芳1 , 唐志书1 , 宋小妹1 , 裴月湖4 , 梅其炳2 , 岳正刚1 , 2 . 延龄草中2 个甾体皂苷的2D NMR 研究[J]. 波谱学杂志, 2015 , 32(1) : 105 -115 . DOI: 10.11938/cjmr20150112
(25S)-27-hydroxypenogenin-3β-O-α-L-rhamnopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glucopyranoside (1) and polyphylloside III (2) were isolated from Trillium tschonoskii by column chromatography. One-dimensional and two-dimensional NMR techniques, including 1H NMR, 13C NMR, DEPT, HSQC, HMBC and 1H-1H COSY, were used to elucidate the structures of these compounds. 13C NMR and 1H NMR chemical shifts of the two compounds were completely assigned.
Key words: NMR; two-dimensional NMR; steroid glycosides; assignment
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