07/10/2013 · Synthesis of Dibenzalacetone ..
02/11/2006 · How to make benzalacetone not dibenzalacetone from acetone and benzaldehyde
Aldol Condensation - Synthesis of Dibenzalacetone - …
 Handayani, S., and Arty, I.S., 2008, Synthesis of hydroxyl radical scavengers from benzalacetone and its derivatives, J. Phys. Sci., 19 (2), 61–68.
Test the last drop of water wash with red litmus
paper, continue the washing if it is still basic.
Transfer the precipitate into an Erlenmeyer flask.
Recrystallize the product using ethanol and water.
Cool the flask in ice bath for 5-10 minutes.
Collect the crystals by vacuum filtration
Determine the melting point
benzaldehyde + acetone
layers: top oily liquid and clear colorless bottom
mixture + ethanol
clear colorless mixture
mixture + NaOH
pale yellow mixture
stand at room temp
creamy yellow mixture
pale yellow crystalline solid
yellow green crystals
MP: 103- 108 C
Theoretical Yield: 0.91 g
Percent Yield: 102.46%
Percent Recovery: 59.14%
2,4 DNP test: positive
Iodoform test: negative
Tollens' test: negative
The purpose of this experiment was to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde.
Aldol Condensation - Synthesis of Dibenzalacetone
 Handayani, S., 2012, Synthesis of benzalacetone analogue over NaOH-/ZrO2-montmorillonite as catalyst and its antioxidant activity test, Dissertation, Universitas Gadjah Mada.
 Handayani, S., Matsjeh, S., Anwar, C., Atun, S., and Fatimah, I., 2012, Novel synthesis of 1,5-dibenzalacetone using NaOH/ZrO2-montmorillonite as cooperative catalyst, Int. J. Chem. Anal. Sci., 3 (6), 6–10.
Dibenzalacetone synthesis!? | Yahoo Answers
Prepn from benzaldehyde + acetone ..
Experiment 4:Synthesis of Dibenzalacetone ..
Synthesis of Dibenzalacetone
Synthesis of Dibenzalacetone (Aldol Reaction)"
Sufficient alcohol is used to dissolve the benzaldehyde rapidly and to retain the benzalacetone in solution ..
He Reaction Is The Synthesis Of Dibenzalacetone Us ..
This experiment is an aldol condensation of two molecules of benzaldehyde with acetone to form dibenzalacetone
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