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Chapter 24: Q.19. (page 962)

Question: Draw the products of each reaction.

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Crossed Claisen reaction

The reaction between an ester and diethyl ester or chloroformate also falls in the category of Crossed Claisen reaction.

02

Crossed Claisen reaction mechanism

The reaction between ketone and chloroformate is represented below:

Claisen reaction

03

Products of the given reaction

a. The reaction of the ester with given reagents is shown below.

Reaction a.

b. The reaction of the ester with given reagents is shown below.

Reaction b.

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Most popular questions from this chapter

Question: Draw a stepwise mechanism for the following reaction. (Hint: Two Michael reactions are needed.)

Question: Draw the aldol product formed from each compound.

Question: Answer the following questions about 2-acetylcyclopentanone.

a. What starting materials are needed to form 2-acetylcyclopentanone by a Claisen reaction that forms bond (a)?

b. What starting materials are needed to form 2-acetylcyclopentanone by a Claisen reaction that forms bond (b)?

c. What product is formed when 2-acetylcyclopentanone is treated with NaOCH2CH3, followed by CH3I?

d. Draw the Robinson annulation product(s) formed by reaction of 2-acetylcyclopentanone with methyl vinyl ketone (CH2=CHCOCH3).

e. Draw the structure of the most stable enol tautomer(s).

Question: Which of the following compounds can serve as Michael acceptors?

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