Photocatalytic Synthesis of Quinolines via Povarov Reaction under Oxidant-Free Conditions
Longlong Su, Yi‐Wen Zheng, Wenguang Wang, Bin Chen, Xiang‐Zhu Wei, Li‐Zhu Wu, Chen‐Ho Tung
Abstract
We describe here an approach for synthesizing quinolines either from N-alkyl anilines or from anilines and aldehydes. A dual-catalyst system consisting of a photocatalyst and a proton reduction cocatalyst is employed. Without the use of any sacrificial oxidant and under extremely mild conditions, the reactions afford quinolines in excellent yields and produce H2 as a byproduct.
Topics & Concepts
ChemistryPhotocatalysisCatalysisAlkylReaction conditionsDual roleCombinatorial chemistryOrganic chemistryRadical Photochemical ReactionsCatalytic C–H Functionalization MethodsSulfur-Based Synthesis Techniques