Abstract Three newditerpenealkaloids, namely spiramines P, Q and R, together with the known compounds, spiramines A and B, were isolated from roots of Spiraeajaponica var. insica Yu . Their structures were elucidated by chemical and spectroscopic means.
摘要 从Spiraea japonica var. 的根中分离到了三种新的双萜生物碱,即螺旋胺P、Q 和R,以及已知化合物螺旋胺A 和B。于 . 通过化学和光谱手段阐明了它们的结构。