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从秃叶黄皮树(Phellodendron chinense var. glabriusculum Schneid)的果实中分离得到一个新的三萜化合物并用波谱分析鉴定为21α–methylmelianol(21R, 23R)epoxy –24 –hydroxy-21α-methoxyl] triucalla–7, 25–dien–3–one 1,秃叶黄皮树(Phellodendron chinense var. glabriusculum Schneid)果实提取物的乙酸乙酯部分主要含有尼洛替星和苦楝子酮类型的甘遂烷三萜化合物。 相似文献
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Two new oxoaporphine alkaloids, 1,2,3,10-tetramethoxy-9-(2-hydroxy-4,5-dimethoxybenzyloxy)oxoaporphine (1) and 1,2,3,10-tetramethoxy-9-(4,5-dimethoxy-2-formylphenoxy)oxoaporphine (2), were isolated from Thalictrum elegans. Their structures were elucidated based on spectroscopic analysis including 1D, 2D NMR, IR and MS. 相似文献
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