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从头序木（ＡｒａｌｉａｄａｓｙｐｈｙｌａＭｉｑ）叶中分离到６个三萜化合物，用化学方法和波谱（ＵＶ，ＩＲ，ＭＳ，１ＨＮＭＲ，１３ＣＮＭＲ，１３ＣＤＥＰＴ，ＨＭＱＣ，ＨＭＢＣ）分析，确定其中４种化合物的结构，分别为齐墩果酸（Ｉ），１６β羟基１８βＨ齐墩果酸（Ｉ），齐墩果酸２８ＯβＤ吡喃葡萄糖甙（ＩＩ）和１６β羟基１８βＨ齐墩果酸２８ＯβＤ吡喃葡萄糖甙（ＩＶ）。用ＮＯＥＳＹ谱确定化合物Ｉ的立体构型。以上４个化合物均为首次从该植物中分离到，化合物ＩＶ为新化合物。
Six triterpene compounds were isolated from the leaves of Aralia dasyphyla Miq. Chemical structures and spectroscopy (UV, IR, MS, 1H NMR, 13C NMR, 13CDEPT, HMQC, HMBC) were used to determine the structures of the four compounds. They are oleanolic acid (I), 16β-hydroxyl- 18β-H- oleanolic acid (I), oleanolic acid-28-O-β-D-glucopyranoside (II) and 16β-hydroxyl 18β-H oleanolic acid -28-O-β-D-glucopyranoside (IV). The NOESY spectrum was used to determine the stereo configuration of Compound I. The above four compounds were isolated from the plant for the first time. Compound IV is a new compound.