One-Pot Synthesis of Furo[3,4-<i>c</i>]indolo[2,1-<i>a</i>]isoquinolines through Rh(III)-Catalyzed Cascade Reactions of 2-Phenylindoles with 4-Hydroxy-2-alkynoates
作者:Yihao Liu、Zi Yang、Remi Chauvin、Wei Fu、Zhenyu Yao、Lianhui Wang、Xiuling Cui
DOI:10.1021/acs.orglett.0c01744
日期:2020.7.2
efficient and regioselective synthesis of fused polycyclic furo[3,4-c]indolo[2,1-a]isoquinolines through Rh(III)-catalyzed cascade C–H activation/annulation/lactonization of 2-arylindoles and 4-hydroxy-2-alkynoates has been developed. This cascade reaction displays high step economy and efficiency and tolerates various functional groups. The titled polycyclic furo[3,4-c]indolo[2,1-a]isoquinolines exhibit
通过Rh(III)催化2-芳基吲哚和4-羟基-吲哚的级联C-H活化/环化/内酯化反应,可以高效,区域选择性地合成稠合的多环呋喃并[3,4- c ]吲哚并[ 2,1- a ]异喹啉。已经开发了2-链烷酸酯。该级联反应显示出高的步骤经济性和效率,并且可以耐受各种官能团。标题为多环呋喃并[3,4- c ]吲哚并[2,1- a ]异喹啉表现出荧光发射。