1-Acryloyl-2-cyanoindole: A Skeleton for Visible-Light-Induced Cascade Annulation
Anxiang Huang, Hu-Lin Zhu, Fan‐Lin Zeng, Xiaolan Chen, Xianqiang Huang, Lingbo Qu, Bing Yu
Abstract
1-Acryloyl-2-cyanoindoles were found to be novel and efficient skeletons in visible-light-induced persulfate-promoted cascade cyclization reactions. With this transition-metal-free photocatalytic procedure, various sulfonated/thiocyanated pyrrolo[1,2-a]indolediones were synthesized from 1-acryloyl-2-cyanoindoles with sulfonyl hydrazides/NH4SCN at room temperature under mild reaction conditions.
Topics & Concepts
AnnulationChemistrySulfonylCascadeAcryloyl chlorideCascade reactionReaction conditionsCombinatorial chemistryPhotochemistryOrganic chemistryCatalysisAcrylateAlkylPolymerMonomerChromatographySulfur-Based Synthesis TechniquesRadical Photochemical ReactionsCatalytic C–H Functionalization Methods