A New Azafluorenone Alkaloid from Alphonsea Monogyma

A new azafluorenone (onychine) alkaloid, 6,7-dimethoxy-5-hydroxy-onychine, was isolated from the stem and branch of Alphonsea monogyma. Its structure was established mainly on the basis of spectral analysis.

藤春中生物碱的研究

经工业酒精提取和硅胶柱层析,从藤春叶中分得一个新的Azafluorenone(onychine) 型生物碱6 ,7dimethoxy5hydroxy onychine, 并得到四个已知的生物碱liriodenine ,cyathocaline,isooncodine ,darienine 。