the sodium hydroxide in water was added to the ethanol solution containing propiophenone and triphenylbnzaldehyde. the solution was stirred for 6 h at room temperature.

• Use Ce(III) catalyst described here

  Conference Paper One-Pot Syntheses Using Carbonyl Compounds Catalyzed by Ce(I...

  and one drop of sulfuric acid.

Add 10% aq KOH to aldehyde ethanol solution, stir it till aldehyde get dissolve then add propiophenone . Set the reaction mixture at rt on stirrer overnight..filter the precipitate and recrystalized with ethanol and DCM

Thank you so much for all your contributione. Am grateful.

Hi,

You must to think about the steric problem if you are using triphenylbenzaldehyde

Thank you so much for your contributions.