This communication describes a highly efficient intermolecular polyene cyclization method using steroidal acetals as the initiators to synthesize tetracyclic terpenoids; both good yields and good asymmetric induction were obtained.
这篇通讯介绍了一种高效的分子间多烯环化方法,该方法使用甾体
乙缩醛作为
引发剂合成四环
萜类化合物,获得了良好的产率和不对称诱导。