From chemical degradation experiments and spectroscopical data structure I is deduced for schizozygine, the major alkaloid of Schizozygia caffaeoides (BOJ.) BAILL. The given relative configuration is suggested by experiments indicating a strain-free ring system.
                                    从
化学降解实验和光谱数据结构推导了Schizozygine(Schizozygia caffaeoides(BOJ。)BAILL的主要
生物碱)。给定的相对构型由表明无应变环系统的实验提出。