Heliannuol D is a natural product with a 7,10-heliannane skeleton, isolated from Helianthus annuus. It has been synthesized in eight steps, in good yield, using a new biomimetic method. Key steps were a Fries rearrangement, a Grignard reaction and, finally, a base catalyzed cyclization.
Heliannuol D是一种
天然产物,具有7,10-heliannane骨架,从向日葵(Helianthus annuus)中分离出来。使用一种新的仿生方法,已通过八个步骤以高收率合成了它。关键步骤是Fries重排,Grignard反应,最后是碱催化的环化反应。