Abstract
In the presence of anhydrous potassium carbonate as base, triethylbenzylammonium chloride as phase transfer catalyst, and dimethylformamide as solvent, 4-nitrophenylsulfonylacetate was treated with alkyl acrylate at 70°C to afford the unexpected 3-aryl-1,3,5-pentanetricarboxylic acid trialkylesters via a tandem addition-rearrangement-addition reaction. A possible mechanism was suggested.
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