Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2213 - 2216 (1991)
Update date:2022-07-30
Topics:
Elinson, M.N.
Lizunova, T.L.
Nikishin, G.I.
Acetoacetic and benzoylacetic esters dimerize on electrolysis in the presence of metal halide mediators to form 2,5-dioxohexane-3,4-dicarboxylic and 1,4-dioxo-1,4-diphenylbutane-2,3-dicarboxylic esters in yields up to 90percent.Primarily the meso-form of the dimer is produced (up to 90percent) under optimal conditions (NaI, -20 deg C) in acetone and acetonitrile.Diastereomers of the dimer are produced in comparable amounts in methanol and ethanol.
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