Chemistry Letters p. 923 - 926 (1992)
Update date:2022-08-17
Topics:
Chiba, Koji
Tagaya, Hideyuki
Miura, Syunji
Karasu, Masa
Active methylene compounds were carboxylated with the reagent system, 18-crown-6, potassium carbonate and carbon dioxide, in dimethyl sulfoxide at room temperature and atmospheric pressure.The concentration of the carbonate ion is important for carboxylation.
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