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Catalytic Tail-to-Tail Selective Dimerization of Methyl Methacrylate Promoted by a Ruthenium(0) Complex

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journal contribution
posted on 13.09.2010, 00:00 by Masafumi Hirano, Yuki Hiroi, Nobuyuki Komine, Sanshiro Komiya
Ru(η6-naphthalene)(η4-1,5-COD) (1) (10 mol %) catalyzes the tail-to-tail dimerization of methyl methacrylate (MMA) in MeCN in 74% yield at 70 °C for 4 h. Without use of solvent complex 1 (1 mol %) rapidly catalyzes the tail-to-tail dimerization and trimerization of MMA in 59% and 23% yields, respectively, at 70 °C for 5 min.