Abstract From the lichen, Siphulaceratites , two new metabolities, protosiphulin and oxysiphulin, were isolated besides the known compound, siphulin. The structures of the two new chromenones were proved by 1 H NMR and 13 C NMR spectral analysis in comparison with those of siphulin.
摘要 从地衣Siphula ceratites 中分离出除了已知化合物siphulin 之外的两种新代谢物protosiphulin 和oxysiphulin。两种新的色农酮的结构均通过 1 H NMR 和 13 C NMR 光谱分析与 siphulin 进行了比较。
Kjaer, Anders; Kjaer, Dana, Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 1985, vol. 39, # 1, p. 65 - 68