Process for preparing substituted 2-cyanocinnamic esters

Details Process for preparing substituted 2-cyanocinnamic esters Process for preparing substituted 2-cyanocinnamic esters

C - Chemistry, Metallurgy

07

C

C07C 255/41 (2006.01) C07C 253/30 (2006.01)

Patent

CA 2122225

Process for preparing substituted 2-cyanocinnamic esters A b s t r a c t In the preparation of substituted 2-cyanocinnamic esters by the Knoevenagel condensation of cyanoacetic esters and carbonyl compounds, the reaction times for obtaining high yields can be considerably reduced by using C3-C6-mono- carboxylic acids and ammonium compounds as catalysts.

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