De Novo Synthesis of Imidazoles by Visible-Light-Induced Photocatalytic Aerobic Oxidation/[3+2] Cycloaddition/Aromatization Cascade
作者:Qiao-Hui Deng、You-Quan Zou、Liang-Qiu Lu、Zi-Long Tang、Jia-Rong Chen、Wen-Jing Xiao
DOI:10.1002/asia.201402443
日期:2014.9
A visible‐light‐induced photocatalytic aerobic oxidation/[3+2] cycloaddition/aromatization cascade between secondary amines and isocyanides has been successfully developed. The reaction provides a general and efficient access to diversely substituted imidazoles and imidazo[1,5‐a]quinoxalin‐4(5 H)‐ones in good yields under mild conditions.
仲胺和异氰酸酯之间的可见光诱导的光催化需氧氧化/ [3 + 2]环加成/芳构化级联反应已成功开发。该反应可在温和条件下以高收率普遍有效地获得各种取代的咪唑和咪唑并[1,5 - a ]喹喔啉-4(5 H)-酮。