Draw the most stable product formed in each of the following reactions
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Question “Draw the most stable product formed in each of the following reactions”
Answer
Condensation reactions are a type chemical reaction that is very important in organic synthesis.
Aldol condensation:
A type of condensation reaction called an aldol condensation is when two aldehydes each have an a-hydrogen element and react with one another to create a product known as aldol.
Claisen Condensation:
Claisen condensation is very similar to aldol. A ester containing alpha hydrogen atoms is subject to condensation reaction.
Claisen Condensation:
The most common base in the claisen reaction is alkoxide ($math_tag_0).
Enolate is an excellent nucleophile. Ester carbonyl carbon in nature is also electrophilic.
This reaction produces a beta-ketoester as the final product.
This is the overall scheme for claisen condensation:
Aldol condensation:
Two steps are required to create an aldol condensate. The first is an aldol reaction, the second is a dehydration removal reaction. The base first removes the proton and forms a carbanion. It then attacks the carbonyl groups of other compounds to create an oxy anion. The compound is hydrolyzed to form an aldol. Dehydration will then give rise to an aldol product.
Mechanism:-
(a)
(b)
Ans: Part A
The most stable product from the above reaction is:
Part b
The reaction produces the most stable product:
Conclusion
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