The crossed aldol reaction shown here can be carried out using a weak base such as pyridine. (a) Draw the complete, detailed mechanism for this reaction. (b) Explain why a relatively weak base can be used. EtO OEt H EtO OEt H. Diethyl malonate
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- The reaction shown here is an example of the Favorskii reaction, which involves an R¯ leaving group in a nucleophilic addition-elimination reaction. (a) Draw the complete, detailed mechanism for this reaction and explain why R can act as a leaving NaOH H2O group. (b) Suggest how you can synthesize an ester from cyclopropanone using only this reaction.Shown here is a proposed synthesis of a thioester from an ester. (a) Draw the mechanism for this reaction. (b) Would this reaction be energetically favorable? Why or why not?Draw the major product(s) and provide a detailed, stepwise mechanism for the following, base-mediated, self-aldol condensation reaction...