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.