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Asymmetric Synthesis of Indole Homo-Michael Adducts via Dynamic Kinetic Friedel–Crafts Alkylation with Cyclopropanes

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posted on 17.05.2013, 00:00 by Steven M. Wales, Morgan M. Walker, Jeffrey S. Johnson
An enantioconvergent Friedel–Crafts alkylation of indoles with donor–acceptor cyclopropanes is described. The reaction is catalyzed by pybox•MgI2 and proceeds via a type I dynamic kinetic asymmetric transformation (DyKAT).