New process for the preparation of 3,3-diaryl acrylic acid...

Details New process for the preparation of 3,3-diaryl acrylic acid... New process for the preparation of 3,3-diaryl acrylic acid...

C - Chemistry, Metallurgy

07

D

C07D 295/185 (2006.01) A01N 37/38 (2006.01) A01N 43/84 (2006.01) C07C 231/12 (2006.01) C07C 235/34 (2006.01) C07C 237/20 (2006.01) C07C 245/06 (2006.01) C07C 317/32 (2006.01) C07C 323/41 (2006.01) C07D 265/30 (2006.01) C07D 295/182 (2006.01)

Patent

CA 2139736

The invention provides a process for the preparation of 3,3-diaryl acrylic acid amides of general formula (I) in which A, B and Q are as defined in the specification, by condensing a compound of formula (II) with a compound of the formula CH3-CO- Q in which Q has the meaning given above, in a solvent in the presence of an alkali metal hydroxide, characterised in that the solvent is selected from alkanes, cycloalkanes or mixtures thereof.

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