Abstract:A bis(imidazolidine)-derived NCN nickel-pincer complex (tBu-PhBidine-Ni-OTf: NCN-Ni-OTf) was synthesized by the oxidative addition of imidazolidine-containing aryl triflate to Ni(cod) 2 in MeCN. NCN-Ni-OTf exhibited asymmetric induction in three reactions. In the Friedel−Crafts reaction of indoles with N-Boc imines, 3-indolylmethanamine products were obtained in 79% yield with 99% ee. In a conjugate addition reaction of malononitrile to nitroalkenes, products were obtained in 95% yield with 75% ee. In iodolact… Show more
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