Coumarins from bark of Fraxinus japonica and F. mandshurica var. japonica.
作者:HIROKI TSUKAMOTO、SUEO HISADA、SANSEI NISHIBE
DOI:10.1248/cpb.33.4069
日期:——
Two biologically active coumarins, scopoletin (1) and isofraxidin (2), along with known coumarins, esculetin (3), fraxetin (4), esculin (5) and fraxin (6), were newly isolated from the bark of Fraxinus japonica BLUME (Oleaceae). On the other hand, the bark of F. mandshurica RUPR. var. japonica MAXIM gave only known coumarins, fraxetin (4), fraxinol (7) and mandshurin (8).
从水曲柳树皮中新分离出了两种具有生物活性的香豆素:东莨菪素 (1) 和异曲西丁 (2),以及已知的香豆素:七叶亭 (3)、七叶亭 (4)、七叶亭 (5) 和 fraxin (6)。 (木犀科)。另一方面,F. mandshurica RUPR 的树皮。变种japonica MAXIM 仅提供已知的香豆素、fraxetin (4)、fraxinol (7) 和 mandshurin (8)。