starting from (−)-sclareol, with high stereoselectivity and an overall yield of 6.1%. The intermediate 16-deacetoxy-12-epi-scalarafuran could be easily transformed into a series of natural scalarane sesterterpenoids in a few steps.
从Spongua officinalis分离出的海洋
天然产物16-脱乙酰氧基-12-表-
呋喃呋喃乙酸酯,从(-)-
香紫苏醇开始,以18个线性步骤合成,具有高立体选择性,总收率为6.1%。只需几个步骤,即可轻松将中间体16- deacetoxy -12- epi - scalarafuran转变为一系列天然的scalarane sesterterpenoids。