An efficient heterogeneous gold(I)-catalyzed intermolecular cycloaddition of 2-aminoaryl carbonyls and internal alkynes leading to polyfunctionalized quinolines
作者:Wenli Hu、Weisen Yang、Tao Yan、Mingzhong Cai
DOI:10.1080/00397911.2019.1567788
日期:2019.3.19
first heterogeneous intermolecular cycloaddition of 2-aminoaryl carbonyls and internal alkynes was realized in DMF at 100 °C by using a triphenylphosphine-functionalized MCM-41-supported gold(I) complex [MCM-41-PPh3-AuCl] and AgOTf as catalysts, yielding a variety of polyfunctionalized quinolines in good to excellent yields. This heterogeneous gold(I) complex could easily be prepared via a simple two-step
摘要 通过使用三苯基膦功能化的 MCM-41 负载的金 (I) 络合物 [MCM-41-PPh3-AuCl] 和 AgOTf,在 100 °C 的 DMF 中实现了 2-氨基芳基羰基和内部炔烃的第一个非均相分子间环加成反应。催化剂,产生各种多官能化喹啉,产率良好至极好。这种异质金 (I) 络合物可以通过简单的两步程序从市售试剂轻松制备,并通过反应混合物过滤回收。回收的催化剂可以重复使用至少七次,活性几乎一致,无需添加 AgOTf 作为助催化剂。图形概要