A cascade radical cyclization starting from an amidyl radical has been used for the construction of (+/-)-aspidospermidine. This approach has also been developed for the preparation of a tricycle whose framework is contained in the stemona alkaloids.
从酰胺基开始的级联自由基环化已经用于构建(+/-)-aspidospermidine。还开发了这种方法来制备三轮车,其骨架包含在百草碱
生物碱中。