Lewis Acid-Promoted Intermolecular Acetal-Initiated Cationic Polyene Cyclizations
作者:Yu-Jun Zhao、Shu-Sin Chng、Teck-Peng Loh
DOI:10.1021/ja067660+
日期:2007.1.1
This paper describes a highly efficient intermolecular biomimeticpolyenecyclization method using acetal as initiators. Both good yield and asymmetricinduction were obtained.
本文介绍了一种以乙缩醛为引发剂的高效分子间仿生多烯环化方法。获得了良好的产量和不对称诱导。
Bio-inspired polyene cyclization: synthesis of tetracyclic terpenoids promoted by steroidal acetal–SnCl4
作者:Yu-Jun Zhao、Teck-Peng Loh
DOI:10.1039/b714474a
日期:——
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.