Coumarins of Cinnamomum reticulatum
摘要
Chunyin (1), a new tetraoxygenated coumarin, along with eight known coumarins including coumarin (2), aesculetin (3), scopoletin (4), isoscopoletin (5), aesculetin dimethyl ester (6), umbelliferone (7), xanthyletin (8), and psoralen (9), were isolated from the stems of Cinnamomum reticulatum Hayata (Lauraceae). The structure was characterized and identified by spectral analysis.