Electroreductive Ring-Opening Carboxylation of Cycloketone Oxime Esters with Carbon Dioxide
Xiaofei Liu, Ke Zhang, Linlin Wang, He Wang, Jian Huang, Xun-Ting Zhang, Xiao‐Bing Lu, Wen‐Zhen Zhang
Abstract
Electroreductive ring-opening carboxylation of cycloketone oxime esters with atmospheric carbon dioxide is reported. This reaction proceeded under simple constant current conditions in an undivided cell using glassy carbon as the cathode and magnesium as the sacrificial anode, providing substituted γ- and δ-cyanocarboxylic acids in moderate to good yields. Electrochemically generated cyanoalkyl radicals and cyanoalkyl anion are proposed as the key intermediates.
Topics & Concepts
CarboxylationChemistryAnodeCarbon dioxideCathodeOximeMagnesiumRadicalCarbon fibersInorganic chemistryOrganic chemistryCatalysisElectrodeComposite materialComposite numberMaterials sciencePhysical chemistryCarbon dioxide utilization in catalysisCO2 Reduction Techniques and CatalystsIonic liquids properties and applications