Aliphatic .beta.-keto esters

Details Aliphatic .beta.-keto esters Aliphatic .beta.-keto esters

C - Chemistry, Metallurgy

07

C

260/479.1, 260/4

C07C 67/00 (2006.01)

Patent

CA 1052388

ABSTRACT OF THE DISCLOSURE A process for the production of aliphatic .beta.-keto esters by reacting a dialkyl ketone with a dialkylcarbonate in the pre- sence of an at least equivalent quantity of a basic conden- sation agent based on the dialkyl ketone at a reaction temperature of 20 to 80°C and the reaction product is subsequent- ly converted by acidification into the .beta.-keto ester. By carrying out the condensation reaction in the presence of hexamethylphosphoric acid triamide as solvent advantageously higher yields of 20 to 50 % can be obtained by the inventive process if compared to convential processes.

222369

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