| Two New Bis—labdanic Diterpenoids from Alpinia calcarata |
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| 引用本文： | KONGLing—Yi QINMin—Jian NIWAMasatake.Two New Bis—labdanic Diterpenoids from Alpinia calcarata[J].Acta Botanica Sinica,2004,46(2):159-164. |
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| 作者姓名： | KONGLing—Yi QINMin—Jian NIWAMasatake |
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| 摘 要： | Two novel bis—labdanic diterpenoids named calcaratarin G and calcaratarin H were isolated from the rhizomes of Alpinia calcarata Rosc．Their structures were elucidated to be a pair of stereoiso-mers on the basis of the spectral evidence．The 2D NMR techniques including’H-1H COSY，HMQC，HMBC，NOESY and HRFABMS were extensively applied to establish the structures．
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| 关 键 词： | 距花山姜 甲醇提取物 距花山姜素G 距花山姜素H 半日烷型二萜双聚体 |
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