Question 1

What is the product of the Dieckmann condensation of this diester,

Accepted Answer

A) I 
B) II 
C) III 
D) I and II 
E) I,II,and III 
A) I 
B) II 
C) III 
D) I and II 
E) I,II,and III

Question 2

The product,C,of the following sequence of reactions,   would be:

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 3

What is the product of the reaction sequence:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 4

Which of these compounds can react with 4-methylhexanal to afford good yields of the crossed aldol product?

Accepted Answer

A) 3-(4-Nitrophenyl)propanal 
B) 2-Methyl-3-pentanone 
C) 2-(4-Nitrophenyl)propanal 
D) 3-(4-Nitrophenyl)-2-butanone 
E) None of the above compounds will give good yields of the crossed aldol product with 4-methylhexanal. 
A) 3-(4-Nitrophenyl)propanal 
B) 2-Methyl-3-pentanone 
C) 2-(4-Nitrophenyl)propanal 
D) 3-(4-Nitrophenyl)-2-butanone 
E) None of the above compounds will give good yields of the crossed aldol product with 4-methylhexanal.

Question 5

What product is formed during the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 6

What starting compound(s)would you use in an aldol reaction to prepare as the major product:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 7

What is the product of the reaction sequence:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 8

What is the product of the reaction sequence:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 9

What would be the product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 10

An intramolecular Claisen condensation is known as a ___.

Accepted Answer

Dieckmann

Question 11

What is the product of the following reaction sequence? Give structural details of all significant intermediates.

Accepted Answer

The answer of What is the product of the following...

Question 12

Esters frequently react in the presence of alkoxides by a reaction called the ___ condensation.

Accepted Answer

The answer of Esters frequently react in the presence of...

Question 13

The reaction of diethyl heptanedioate with sodium ethoxide would give as the product:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 14

What product(s)is (are)likely to be obtained upon Dieckmann condensation of the following substance?

Accepted Answer

A) I and II 
B) II and III 
C) III and IV 
D) I and III 
E) II and IV 
A) I and II 
B) II and III 
C) III and IV 
D) I and III 
E) II and IV

Question 15

In the aldol cyclization reaction of the following compound,predict the major product formed and explain your choice.

Accepted Answer

Of the two possible products f

Question 16

What is the intermediate B in the synthesis shown above?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 17

What is the product of the Dieckmann-like condensation of this ketoester,

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 18

What would be the major product of the following reaction?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

Accepted Answer

The answer of What is the final product of the...

Question 20

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

Accepted Answer

The answer of What is the final product of the...

Exam 19: Condensation and Conjugate Addition Reactions of Carbonyl Compounds

What is the product of the Dieckmann condensation of this diester,

The product,C,of the following sequence of reactions, would be:

What is the product of the reaction sequence:

Which of these compounds can react with 4-methylhexanal to afford good yields of the crossed aldol product?

What product is formed during the following reaction?

What starting compound(s)would you use in an aldol reaction to prepare as the major product:

What is the product of the reaction sequence:

What is the product of the reaction sequence:

What would be the product of the following reaction?

An intramolecular Claisen condensation is known as a ___.

What is the product of the following reaction sequence? Give structural details of all significant intermediates.

Esters frequently react in the presence of alkoxides by a reaction called the ___ condensation.

The reaction of diethyl heptanedioate with sodium ethoxide would give as the product:

What product(s)is (are)likely to be obtained upon Dieckmann condensation of the following substance?

In the aldol cyclization reaction of the following compound,predict the major product formed and explain your choice.

What is the intermediate B in the synthesis shown above?

What is the product of the Dieckmann-like condensation of this ketoester,

What would be the major product of the following reaction?

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

What is the final product of the following reaction sequence? Give structural details of all significant intermediates.

The Basics

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Nomenclature and Conformations of Alkanes and Cycloalkanes

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Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

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Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

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