Highly stereoselective construction of polycyclic benzofused tropane scaffolds and their latent bioactivities: bifunctional phosphonium salt-enabled cyclodearomatization process
作者:Jian-Ping Tan、Xiaojie Li、Yuan Chen、Xianle Rong、Lixiang Zhu、Chunhui Jiang、Kai Xiao、Tianli Wang
DOI:10.1007/s11426-020-9754-7
日期:2020.8
Structurally fusedheterocycles encompassing a centerpiece of benzotropane are significant scaffolds with a plethora of promising biological activities, but such molecular architectures pose a long-standing daunting synthetic challenge. Herein, we reported a highly efficient asymmetric cyclodearomatization of 2-nitrobenzofurans with cyclic azomethine ylides by employing bifunctional phosphonium salts