目的 研究柳蒿Artemisia selengensis全草的化学成分。方法 采用硅胶柱色谱、高效液相色谱等方法进行分离纯化，通过理化性质及核磁共振谱、质谱等光谱数据分析鉴定结构。结果 从柳蒿全草甲醇提取液醋酸乙酯萃取物中分离得到1个双倍半萜类化合物。结论 该双倍半萜为未见报道的新化合物，命名为柳蒿素A。

Objective To study the chemical constituents of Artemisia selengensis. Methods The compound was isolated by silica gel column chromatography and HPLC, and its structure was elucidated by spectral analyses. Results A new bis-sesquiterpenoid (1) was isolated and identified from A. selengensis. Conclusion Compound 1 is a new compound named selengsisnin A.

黑龙江省自然科学基金面上项目（B201205）