Further Isolation of Coumarin from Angelica pubescence Maxim f.biserata Shan et Yuan

Further Isolation of Coumarin from Angelica pubescence Maxim f. biserrata Shan et Yuan

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），ｏｓｔｈｏｌ（２），ｂｅｒｇａｐｔｅｎ（３），ｉｓｏｉｍｐｅｒａｔｅｒｉｎ（４），ｍｅｒａｎｚｉｎｈｙｄｒａｔｅ（５），ｎｏｄａｋｅｎｅｔｉｎ（６），ｍａｒｍｅｓｉｎｉｎ（７），ｃｏｌｕｍｂｉａｎｉｎ（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。

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.