CHEM 245 Lecture Notes - Lecture 9: Sodium Hydroxide, Aldol Condensation, Benzaldehyde
8 Mar 2016
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Lab day and time: wednesday and friday 11am 2pm. Abstract-including weight (g) of product obtained, % yield and melting point of material. Overall reaction scheme showing formula weights and molecular formulae of organic substrates. Experimental procedure- it is ok to say that the experiment was carried out according to the procedure in the lab manual and list any changes to this procedure. Diabenzalacetone was successfully producted through the double aldol condensation of acentone with benzaldehyde. Acetone was calculated to be the limiting reagent in the condensation reaction, with 0. 0068 moles. The theoretical yield of diabenzalacetone was only 1. 59 g, however, the actual yield was much higher at 2. 44 g. the percent yield of the product was 153%, with an observed melting point of 99-105 c. The purpose of this experiment is to synthesis dibenzalacetone, (1e, 4e)-1,5-diphenyl-1,4-pentadien-3-one, through the double aldol condensation of acetone with benzaldehyde.
