摘要
Nine coumarin compounds were further isolated from Angelica pubescence. They were columbianedin (1), osthol (2), bergapten (3), isoimperaterin (4), meranzin hydrate (5), nodakenetin (6), marmesinin (7), columbianin (8) and angelidiol (9). Among them, 5～8 were isolated for the first time from this plant, 9 is a new natural product.
从重齿毛当归中进一步分得９个香豆素类化合物，它们是ｃｏｌｕｍｂｉａｎｅｄｉａｎ（１），ｏｓｔｈｏｌ（２），ｂｅｒｇａｐｔｅｎ（３），ｉｓｏｉｍｐｅｒａｔｅｒｉｎ（４），ｍｅｒａｎｚｉｎｈｙｄｒａｔｅ（５），ｎｏｄａｋｅｎｅｔｉｎ（６），ｍａｒｍｅｓｉｎｉｎ（７），ｃｏｌｕｍｂｉａｎｉｎ（８）和ａｎｇｅｌｉｄｉｏｌ（９）．其中，５～８为首次从该植物中分得，９为一新的天然产物。
