Abstract
AbstractThe first catalytic asymmetric dearomatization of 3‐methyl‐2‐vinylindoles has been established by using quinone monoimides as suitable electrophiles in the presence of chiral phosphoric acid, which afforded chiral indole derivatives bearing a quaternary stereogenic center in a chemospecific and highly enantioselective fashion (up to 81% yield, >99% ee). The success of this reaction was enabled by the reactivity switch of 3‐methyl‐2‐vinylindoles, which has not been reported before. This reaction also represents the first catalytic asymmetric arylative dearomatization of vinylindoles, which will help confront the challenges in catalytic asymmetric arylative dearomatization and dearomatization of vinylindoles.magnified image
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