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Head-to-tail dimerization of acrylates catalyzed by iridium complexes
Hideto Nakagawa1, Satoshi Sakaguchi, Yasutaka Ishii
1Department of Applied Chemistry, Faculty of Engineering, Kansai University, Suita, Osaka 564-8680, Japan.
Chemical Communications (Cambridge, England)
|March 18, 2003
Abstract:
Head-to-tail dimerizations of acrylates and vinyl ketone were successfully performed by the use of iridium complexes in good yields. An iridium hydride complex generated in situ from [IrCl(cod)]2 and alcohols in the presence of Na2CO3 and (MeO)3P was found to be an active species promoting the head-to-tail dimerization of acrylates. Thus, butyl acrylate afforded the corresponding head-to-tail dimer in 86% yield.