Identify the major organic product of the following reac а) - OH H30* Нeat b) || CH3—с-о-он c) 1, NABH4 2. H30*

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Chapter1: Chemical Foundations
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**Identify the major organic product of the following reactions:**

**a)** 
The reaction involves two acetone molecules undergoing an aldol condensation. In the presence of a hydroxide ion (\(-OH\)) as the base, followed by acidification with hydronium ion (\(H_3O^+\)) and heating, the acetone molecules will combine to form a β-hydroxy ketone, which upon dehydration will yield an α,β-unsaturated ketone.

**b)**
In this reaction, a diketone molecule is reacting with acetic acid in the presence of a peroxy acid. This is an example of a Baeyer-Villiger oxidation, where the peroxy acid (in this case, peroxyacetic acid) will insert an oxygen atom into the carbon-carbon single bond adjacent to the carbonyl group. This transforms the ketone to an ester.

**c)**
This reaction involves the reduction of an ester-ketone molecule with sodium borohydride (\(NaBH_4\)) followed by acid work-up with hydronium ion (\(H_3O^+\)). \(NaBH_4\) will selectively reduce the ketone group to a secondary alcohol, leaving the ester group mostly unchanged under these conditions.

**Diagrams Explanation:**

1. *Diagram a)* shows two acetone molecules reacting together in the presence of base and acid with heat, illustrating formation of a conjugated system.
   
2. *Diagram b)* shows the transformation of a keto compound into an ester by inserting an oxygen atom through Baeyer-Villiger oxidation.

3. *Diagram c)* demonstrates the reduction of a compound with both ketone and ester functionalities, showing selective reduction of the ketone.
Transcribed Image Text:**Identify the major organic product of the following reactions:** **a)** The reaction involves two acetone molecules undergoing an aldol condensation. In the presence of a hydroxide ion (\(-OH\)) as the base, followed by acidification with hydronium ion (\(H_3O^+\)) and heating, the acetone molecules will combine to form a β-hydroxy ketone, which upon dehydration will yield an α,β-unsaturated ketone. **b)** In this reaction, a diketone molecule is reacting with acetic acid in the presence of a peroxy acid. This is an example of a Baeyer-Villiger oxidation, where the peroxy acid (in this case, peroxyacetic acid) will insert an oxygen atom into the carbon-carbon single bond adjacent to the carbonyl group. This transforms the ketone to an ester. **c)** This reaction involves the reduction of an ester-ketone molecule with sodium borohydride (\(NaBH_4\)) followed by acid work-up with hydronium ion (\(H_3O^+\)). \(NaBH_4\) will selectively reduce the ketone group to a secondary alcohol, leaving the ester group mostly unchanged under these conditions. **Diagrams Explanation:** 1. *Diagram a)* shows two acetone molecules reacting together in the presence of base and acid with heat, illustrating formation of a conjugated system. 2. *Diagram b)* shows the transformation of a keto compound into an ester by inserting an oxygen atom through Baeyer-Villiger oxidation. 3. *Diagram c)* demonstrates the reduction of a compound with both ketone and ester functionalities, showing selective reduction of the ketone.
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