Question 1

Which of the following compounds can be prepared by an aldol condensation by treating a single carbonyl compound with base?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 2

______

Accepted Answer

The answer of ______  ...

Question 3

What is the major organic product obtained from the following reaction?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 4

The following compound can act as a nucleophile in an aldol reaction.

Accepted Answer

A) True 
 B)False

Question 5

What is the major organic product obtained from the following reaction?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 9

How many different $\beta$-hydroxyaldehydes and $\beta$-hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of acetone and benzaldehyde with base?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 11

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 12

In a Claisen condensation the following substance could be produced by the reaction of ethylbenzoate and _______________. Enter the name of the substance.

Accepted Answer

ethyl acet

Question 13

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 14

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 15

How many different $\beta$-hydroxyaldehydes and $\beta$-hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of butanal and acetone with base?

Accepted Answer

A) 4 
B) 6 
C) 9 
D) 12 
A) 4 
B) 6 
C) 9 
D) 12

Question 16

_______

Accepted Answer

The answer of _______  ...

Question 17

What is the major organic product obtained from the following reaction?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 18

Which combination of organic bromide(s) and dicarbonyl compound can be used to prepare the following product (in a multistep synthesis)?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 19

An aldol condensation using 3-methylbutanal could produce the following compound.

Accepted Answer

A) True 
 B)False

Question 20

Consider the steps in the mechanism for a base catalyzed aldol condensation. The _______ step in the base catalyzed aldol condensation is addition of an enolate to a carbonyl group.

Accepted Answer

The answer of Consider the steps in the mechanism for...

Exam 19: Enolate Anions and Enamines

Which of the following compounds can be prepared by an aldol condensation by treating a single carbonyl compound with base?

______

What is the major organic product obtained from the following reaction?

The following compound can act as a nucleophile in an aldol reaction.

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following sequence of reactions?

What is the major organic product obtained from the following sequence of reactions?

What is the major organic product obtained from the following reaction?

How many different β\betaβ -hydroxyaldehydes and β\betaβ -hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of acetone and benzaldehyde with base?

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

In a Claisen condensation the following substance could be produced by the reaction of ethylbenzoate and _______________. Enter the name of the substance.

What is the major organic product obtained from the following sequence of reactions?

What is the major organic product obtained from the following sequence of reactions?

How many different β\betaβ -hydroxyaldehydes and β\betaβ -hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of butanal and acetone with base?

_______

What is the major organic product obtained from the following reaction?

Which combination of organic bromide(s) and dicarbonyl compound can be used to prepare the following product (in a multistep synthesis)?

An aldol condensation using 3-methylbutanal could produce the following compound.

Consider the steps in the mechanism for a base catalyzed aldol condensation. The _______ step in the base catalyzed aldol condensation is addition of an enolate to a carbonyl group.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

How many different $\beta$ -hydroxyaldehydes and $\beta$ -hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of acetone and benzaldehyde with base?

How many different $\beta$ -hydroxyaldehydes and $\beta$ -hydroxyketones, including constitutional isomers and stereoisomers, are formed upon treatment of a mixture of butanal and acetone with base?