Aldol condensation of pinacolone with piperonaldehyde. Question No.6 Lab H- Aldo

Question

Aldol condensation of pinacolone with piperonaldehyde.
Question No.6 Lab H- Aldol Condensation 1) Write the detailed stepwise mechanism for the reaction of pinacolone with piperonaldehyde in the presence of potassium hydroxide 1+Hu OH 0 -H 2) What is the name of this reaction? 3) What kind of ion does pinacolone form? 4) onon ton What is the function of each of the given substances in the reaction? (e.g. electrophile, nucleophile, oxidizing agent, reducing agent, acid catalyst, base catalyst, solvent etc.) a. Pinacolone Electrophile b. Piperonaldehyde uckophik c. Ethanol d. Potassium Hydroxide base catalyst

Explanation / Answer

6 a) No

Because piperonaldehyde don't have alpha-acidic protons and you need to form an enolate anion as first step and this is not possible.

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