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Write the mechanism of the aldol condensation between benzaldehyde and acetone
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- Benzalacetone is a side product formed in the aldol condensation of dibenzalacetone. Show the reaction mechanism of how this side product, Benzalacetone, is formed.What is the mechanism of the acid-catalyzed acetal formation of benzaldehyde in methanol?During the acid catalyzed conversion of an aldehyde to a hemiacetal the acid reacts with the alsehyde to form a more elecrtophilic intermediate. What is the name of this intermediate?
- Draw the structure of the aldol that will form when cyclohexanone reacts with one mole ofbenzaldehyde. What is the name of this compound?Predict the products of aldol condensation, followed by dehydration, of the followingketones and aldehydes. c) cyclohexanoneDefine the mechanism that converts a hydroxy aldehyde to a cyclic hemiacetal ?
- Provide a chemical reaction on how the following compounds can be synthesized via aldol condensation. note that the starting reactants should be benzaldehyde and a ketoneAn enolate attacks an aldehyde and the resulting product is subsequently protonated. What type of reaction is this? an acid-catalyzed aldol condensation a Fischer esterification. a Grignard reaction. a base-mediated aldol condensationWrite the structure for each aldol condensation product that is possible when a mixture of ethanal and propanal is reacted with dilute NaOH.
- The Stork reaction is a condensation reaction between an enamine donor and an α,β-unsaturated carbonyl acceptor. The overall reaction consists of a three-step sequence of formation of an enamine from a ketone, Michael addition to an α,β-unsaturated carbonyl compound, and hydrolysis of the enamine in dilute acid to regenerate the ketone. Consider the Stork reaction between acetophenone and 3-buten-2-one. Draw the structure of the product of the enamine formed between acetophenone and pyrrolidine. Draw the structure of the Michael addition product. Draw the structure of the final product.What is the structural requirement of the following reactions? 1) Iodoform Reaction 2) Aldol CondensationDefine the mechanism for the reaction between an ester and a grignard reagent ?