Question 1

What is the major product of the following reaction?

Accepted Answer

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

Question 2

What is the general name for the class of products formed in an Aldol condensation reaction?

Accepted Answer

A) b,g-Unsaturated carbonyl compound 
B) a,b-Unsaturated carbonyl compound 
C) a,g-Unsaturated carbonyl compound 
D) b-Hydroxy carbonyl compound 
A) b,g-Unsaturated carbonyl compound 
B) a,b-Unsaturated carbonyl compound 
C) a,g-Unsaturated carbonyl compound 
D) b-Hydroxy carbonyl compound

Question 3

What is the general name of the product of a crossed Claisen reaction between a ketone and an ester?

Accepted Answer

A) b-Keto ester 
B) a,b-Dicarbonyl compound 
C) g-Dicarbonyl compound 
D) b-Dicarbonyl compound 
A) b-Keto ester 
B) a,b-Dicarbonyl compound 
C) g-Dicarbonyl compound 
D) b-Dicarbonyl compound

Question 4

What is the general name for the reaction product formed in a Claisen reaction?

Accepted Answer

A) b-Hydroxy ester 
B) b-Keto ester 
C) a-Keto ester 
D) g-Hydroxy ester 
A) b-Hydroxy ester 
B) b-Keto ester 
C) a-Keto ester 
D) g-Hydroxy ester

Question 5

There are several variations of the Aldol reaction.Which of the following types of reactants leads to only one possible product with the Aldol condensation reaction?

Accepted Answer

A) Two different aldehydes with a-hydrogens are able to form a single aldol condensation product. 
B) Two different ketones with a-hydrogens are able to form a single aldol condensation product. 
C) Any aldehyde and ketone mixed together can react to form a single condensation product. 
D) Any pair of aldehyde or ketone reactants where one of the reactants has no a-hydrogens will lead to a single aldol product. 
A) Two different aldehydes with a-hydrogens are able to form a single aldol condensation product. 
B) Two different ketones with a-hydrogens are able to form a single aldol condensation product. 
C) Any aldehyde and ketone mixed together can react to form a single condensation product. 
D) Any pair of aldehyde or ketone reactants where one of the reactants has no a-hydrogens will lead to a single aldol product.

Question 6

What product (including stereochemistry)is formed in the following intermolecular reaction?

Accepted Answer

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

Question 7

What is the Aldol addition product formed from the reaction of acetone,(CH3)2CO,with itself?

Accepted Answer

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

Question 8

What cyclic product is formed in the intramolecular Aldol condensation when the following compound is treated with aqueous NaOH?

Accepted Answer

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

Question 9

Which of the following carbonyl compounds does not undergo Aldol addition reactions when treated with aqueous sodium hydroxide?

Accepted Answer

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

Question 10

What aldehyde or ketone is needed to prepare the following compound by an Aldol reaction?

Accepted Answer

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

Question 11

Which of the following bicyclic ring systems can be prepared by an intermolecular Robinson annulation?

Accepted Answer

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

Exam 22: Carbonyl Condensation Reactions

What is the major product of the following reaction?

What is the general name for the class of products formed in an Aldol condensation reaction?

What is the general name of the product of a crossed Claisen reaction between a ketone and an ester?

What is the general name for the reaction product formed in a Claisen reaction?

There are several variations of the Aldol reaction.Which of the following types of reactants leads to only one possible product with the Aldol condensation reaction?

What product (including stereochemistry)is formed in the following intermolecular reaction?

What is the Aldol addition product formed from the reaction of acetone,(CH3)2CO,with itself?

What cyclic product is formed in the intramolecular Aldol condensation when the following compound is treated with aqueous NaOH?

Which of the following carbonyl compounds does not undergo Aldol addition reactions when treated with aqueous sodium hydroxide?

What aldehyde or ketone is needed to prepare the following compound by an Aldol reaction?

Which of the following bicyclic ring systems can be prepared by an intermolecular Robinson annulation?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

What is the Aldol addition product formed from the reaction of acetone,(CH₃)₂CO,with itself?