Ruthenium-Catalyzed Electrochemical Synthesis of Indolines through Dehydrogenative [3 + 2] Annulation with H<sub>2</sub> Evolution
Haiwei Shen, Tao Liu, Didi Cheng, Xiao Yi, Ze Wang, Lei Liu, Dingguo Song, Fei Ling, Weihui Zhong
Abstract
A dehydrogenative [3 + 2] annulation reaction of aniline derivatives and alkenes has been developed via the ruthenium-electron catalytic systems for the synthesis of versatile indolines. Electricity is used as a sustainable oxidant to regenerate the active Ru(II) catalyst and promote H2 evolution. This protocol is ecofriendly and easy to handle as it uses a simple undivided cell in mild conditions without the employment of metal oxidants.
Topics & Concepts
AnnulationChemistryRutheniumCatalysisAnilineCombinatorial chemistryElectrochemistryOrganic chemistryElectrodePhysical chemistryCatalytic C–H Functionalization MethodsAsymmetric Hydrogenation and CatalysisRadical Photochemical Reactions