Construction of sulfonated spiro[5,5]trienones from sulfur dioxide <i>via</i> iron-catalyzed dearomative spirocyclization of biaryls
Fu‐Sheng He, Lingjing Su, Feiyan Yu, Zhimei Tang, Jie Wu
Abstract
An iron-catalyzed dearomative spirocyclization of biaryl ynones with sodium metabisulfite and cycloketone oxime esters is developed for the construction of sulfonated spiro[5,5]trienones.
Topics & Concepts
ChemistrySulfur dioxideSodium metabisulfiteOximeCatalysisSulfurOrganic chemistryCombinatorial chemistrySulfur-Based Synthesis TechniquesChemical Synthesis and ReactionsCatalytic C–H Functionalization Methods