The concept of carbocycle-heterocycle equivalency has been utilised to assemble the framework of fawcettimine-serratinine group of alkaloids from 1,5-cyclooctadiene through a common tricarbocyclic intermediate 3.
碳-杂环当量的概念已被用来组装从1,5-
环辛二烯通过一个常见的三碳环中间体3的fawcettimine-serratinine组
生物碱的框架。