N-Methylrhynchophyllane which is derived from the alkaloids, rhynchophylline and isorhynchophylline, was stereospecifically synthesized and was isolated as two pairs of stereoisomers, thereby establishing the trans-arrangement at C6' and C7' of these alkaloids.
从
生物碱荷包牡丹碱和异
荷包牡丹碱中提取的 N-甲基
荷包牡丹碱被立体合成,并分离出两对立体异构体,从而确定了这些
生物碱 C6' 和 C7' 的反式排列。