Photocatalyst-, metal- and additive-free regioselective radical cascade sulfonylation/cyclization of benzimidazole derivatives with sulfonyl chlorides induced by visible light
Bin Sun, Hai‐Xia Tian, Zhigang Ni, Panyi Huang, Hao Ding, Bingqian Li, Can Jin, Chunlei Wu, Runpu Shen
Abstract
An environmentally friendly and practical protocol for the visible-light-triggered regioselective radical cascade sulfonylation/cyclization of unactivated alkenes towards the synthesis of polycyclic benzimidazoles containing the sulfone group has been developed.
Topics & Concepts
ChemistryRegioselectivityBenzimidazoleSulfonylVisible spectrumCascadeSulfoneRadical cyclizationPhotocatalysisOrganic chemistryCombinatorial chemistryCatalysisChromatographyAlkylPhysicsOptoelectronicsSulfur-Based Synthesis TechniquesRadical Photochemical ReactionsE-Government and Public Services