4CzIPN-<sup><i>t</i></sup>Bu-Catalyzed Proton-Coupled Electron Transfer for Photosynthesis of Phosphorylated <i>N</i>-Heteroaromatics
Yan Liu, Xiao-Lan Chen, Xiaoyun Li, Shan‐Shan Zhu, Shijun Li, Yan Song, Lingbo Qu, Bing Yu
Abstract
2,4,5,6-Tetrakis(3,6-di-tert-butyl-9H-carbazol-9-yl)isophthalonitrile (4CzIPN-tBu) was developed as a photocatalyst for the phosphorus-radical-initiated cascade cyclization reaction of isocyanides. By using 4CzIPN-tBu as catalyst, we developed a visible-light-induced proton-coupled electron transfer strategy for the generation of phosphorus-centered radicals, via which a wide range of phosphorylated phenanthridines, quinolines, and benzothiazoles were successfully constructed.
Topics & Concepts
ChemistryCatalysisProtonElectron transferRadicalPhotochemistryProton-coupled electron transferPhosphorusCascadePhotocatalysisMedicinal chemistryOrganic chemistryQuantum mechanicsPhysicsChromatographyRadical Photochemical ReactionsSulfur-Based Synthesis TechniquesCatalytic C–H Functionalization Methods