Side products of benzaldehyde and acetone

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Dibenzalacetone has been prepared by condensing benzaldehyde with acetone using as condensing agents dry hydrogen chloride, 1 10 per cent sodium hydroxide solution, 2 and glacial acetic acid with sulfuric acid. 3 It has also been obtained by condensing benzalacetone with benzaldehyde in the presence of dilute sodium hydroxide. 4 Straus and Ecker 5 were the first to record the use of ethyl acetate for crystallization.
hours and an acetone powder of the shoots was prepared. The following purification of the enzyme was then carried out at 04”. Ten grams of acetone powder were mixed with 10 g of Polyclar AT and extracted for 60 min with 500 ml of 0.2 M Tris- HCl buffer, pH 7.6, that contained 0.5 ml of @-mercaptoethanol.
Due to its exothermic character, the reaction vessel is traditionally cooled in an ice bath, with controlled reagent addition to avoid the formation of side products and evaporation of acetone. The product dibenzalacetone is used as a UV blocker and as a ligand in organometallic chemistry.Write the structure of one possible side product during dibenzalacetone synthesis. Synthesis of Dibenzalacetone. Dibenzalacetone is formed by the reaction of acetone and two molecules of benzaldehyde.
Due to its exothermic character, the reaction vessel is traditionally cooled in an ice bath, with controlled reagent addition to avoid the formation of side products and evaporation of acetone. The product dibenzalacetone is used as a UV blocker and as a ligand in organometallic chemistry. May cause coughing, dizziness, dullness, and headache. Higher concentrations can produce central nervous system depressi on, narcosis, and unconsciousness. Ingestion: Swallowing small amounts is not likely to produce harmful effects. Ingestion of l arger amounts may produce abdominal pain, nausea and vomiting.
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