1. a. (i) The structures and pK, of 2,4-pentanedione A and methyl acetoacetate B are shown below Eco OME 2,4-pentanedione A methyl acetoacetate B pk = 8.9 pk = 10.7 Identify the alpha hydrogens in the structure of each compound. . [2 marks] [2 marks] • Id

匿名用户 最后更新于 2021-12-01 19:31 化学类Chemistry

please answer both parts! :)

1. a. (i) The structures and pK, of 2,4-pentanedione A and methyl acetoacetate B are shown below Eco OME 2,4-pentanedione A methyl acetoacetate B pk = 8.9 pk = 10.7 Identify the alpha hydrogens in the structure of each compound. . [2 marks] [2 marks] • Identify the most acidic hydrogens in each compound. Considering the pKvalues of 2,4-pentanedione A and methyl acetoacetate B, which of the two compounds is the stronger acid? Include appropriate resonance structures in your answer. Compound C (methyl acetoacetate) reacts with an a,B-unsaturated ketone D to form the product E. (5 marks] (ii) NaOH (catalytic) + C10H1404 OME D E What is the name of this reaction? [1 marks] . Draw the structure of compound E. [2 marks] Draw and discuss the mechanism of the above reaction. [8 marks)

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