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AlMe3-Promoted Oxidative Cyclization of η2-Alkene and η2-Ketone on Nickel(0). Observation of Intermediate in Methyl Transfer Process

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posted on 21.09.2005, 00:00 by Sensuke Ogoshi, Mizu Ueta, Tomoya Arai, Hideo Kurosawa
AlMe3 can promote the oxidative cyclization of η2-alkene and η2-ketone on nickel(0) to give an intriguing nickel−aluminum dinuclear complex having a bridging methyl group, which might be an intermediate for the nickel-catalyzed cycloisomerization of o-allylacetophenone or o-allylbenzophenone.