Copper‐Catalyzed One‐Pot Cascade Cyclization for the Synthesis of Isoindolo[2,1‐
<i>a</i>
]quinoxalines
作者:Ling Li、Zhen‐Ting Liu、Xiang‐Ping Hu
DOI:10.1002/adsc.202100643
日期:2021.9.7
A copper-catalyzed one-pot cascade cyclization of 2-(1-(acetyloxy)propargyl)benzaldehydes with o-phenylenediamines for an access to substituted isoindolo[2,1-a]quinoxalines has been developed. The reaction features readily available starting materials, simple operational procedure, and broad substrate scopes. Under optimal conditions, various isoindolo[2,1-a]quinoxalines were afforded in 41–88% yields
已开发出铜催化的 2-(1-(乙酰氧基) 炔丙基) 苯甲醛与邻苯二胺的一锅级联环化反应,以获得取代的异吲哚并 [2,1- a ] 喹喔啉。该反应具有原料易得、操作简单、底物范围广等特点。在最佳条件下,各种异吲哚并[ 2,1- a ]喹喔啉的产率为41-88%。