Question 1

What is the major product of the following Diels-Alder reaction? Be sure to pay attention to regiochemistry.

Accepted Answer

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

Question 2

What is the product of the following reaction?

Accepted Answer

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

Question 3

Which of the following can be used as the required diene in a Diels-Alder reaction?

Accepted Answer

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

Question 4

What is the major product of the following reaction?

Accepted Answer

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

Question 5

What is the expected product of the reaction below?

Accepted Answer

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

Question 6

Show the diene and the dienophile required to synthesize the following molecule.

Accepted Answer

The answer of Show the diene and the dienophile required...

Question 7

Supply the products and give the mechanism for the following retro Diels-Alder reaction.

Accepted Answer

The answer of Supply the products and give the mechanism...

Question 8

What reagents are needed to complete the following reaction?

Accepted Answer

The answer of What reagents are needed to complete the...

Question 9

What reagent(s)will complete the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these will complete the reaction. 
A) I 
B) II 
C) III 
D) IV 
E) None of these will complete the reaction.

Question 10

What is the major product of the following Diels-Alder reaction? Be sure to pay attention to regiochemistry.

Accepted Answer

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

Question 11

Show the product(s)of the following reaction.

Accepted Answer

The answer of Show the product(s)of the following reaction. ...

Question 12

Which set of resonance structures is responsible for determining the regiochemistry of the Diels-Alder reaction between the following diene and dienophile?

Accepted Answer

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

Question 13

Circle the dienes that can participate in a Diels-Alder reaction with ethene.

Accepted Answer

The answer of Circle the dienes that can participate in...

Question 14

Which is true about the mechanism for a Diels-Alder reaction?

Accepted Answer

A) The mechanism requires the reaction of two dienes. 
B) The product will have more π bonds than the starting materials. 
C) The mechanism typically requires an electron-poor diene. 
D) The mechanism proceeds through an aromatic transition state. 
E) The mechanism requires only two steps. 
A) The mechanism requires the reaction of two dienes. 
B) The product will have more π bonds than the starting materials. 
C) The mechanism typically requires an electron-poor diene. 
D) The mechanism proceeds through an aromatic transition state. 
E) The mechanism requires only two steps.

Question 15

What is 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 16

Which of the following could be considered an endo product of a Diels-Alder reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these can be considered an endo product. 
A) I 
B) II 
C) III 
D) IV 
E) None of these can be considered an endo product.

Question 17

What is the product of the following reaction?

Accepted Answer

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

Question 18

Rank the following dienes in order of slowest to fastest rate of reaction with trans-2-butene.

Accepted Answer

The answer of Rank the following dienes in order of...

Question 19

Which of the following dienophiles would react fastest in a Diels-Alder reaction?

Accepted Answer

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

Question 20

What reagents are required to complete the following reaction?

Accepted Answer

The answer of What reagents are required to complete the...

Exam 26: The Dielsalder Reaction and Other Pericyclic Reactions

What is the major product of the following Diels-Alder reaction? Be sure to pay attention to regiochemistry.

What is the product of the following reaction?

Which of the following can be used as the required diene in a Diels-Alder reaction?

What is the major product of the following reaction?

What is the expected product of the reaction below?

Show the diene and the dienophile required to synthesize the following molecule.

Supply the products and give the mechanism for the following retro Diels-Alder reaction.

What reagents are needed to complete the following reaction?

What reagent(s)will complete the following reaction?

What is the major product of the following Diels-Alder reaction? Be sure to pay attention to regiochemistry.

Show the product(s)of the following reaction.

Which set of resonance structures is responsible for determining the regiochemistry of the Diels-Alder reaction between the following diene and dienophile?

Circle the dienes that can participate in a Diels-Alder reaction with ethene.

Which is true about the mechanism for a Diels-Alder reaction?

What is the product of the following reaction?

Which of the following could be considered an endo product of a Diels-Alder reaction?

What is the product of the following reaction?

Rank the following dienes in order of slowest to fastest rate of reaction with trans-2-butene.

Which of the following dienophiles would react fastest in a Diels-Alder reaction?

What reagents are required to complete the following reaction?

Atomic and Molecular Structure

Interchapter: Nomenclature 1-4

Interchapter 1molecular Orbital Theory and Chemical Reactions

Three-Dimensional Geometry,intermolecular Interactions,and Physical Properties

Orbital Interactions 1: Hybridization and Two-Center Molecular Orbitals

Isomerism 1: Conformational and Constitutional Isomers

Isomerism 2: Chirality,enantiomers,and Diastereomers

The Proton Transfer Reaction: an Introduction to Mechanisms,thermodynamics,and Charge Stability

An Overview of the Most Common Elementary Steps

An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 1: Competition Among Sn2,sn1,e2,and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 2: Reactions That Are Useful for Synthesis

Electrophilic Addition to Nonpolar Π Bonds 1: Addition of a Brønsted Acid

Electrophilic Addition to Nonpolar Π Bonds 2: Reactions Involving Cyclic Transition States

Organic Synthesis 1: Beginning Concepts

Orbital Interactions 2: Extended Π Systems,conjugation,and Aromaticity

Structure Determination 1: Ultravioletvisible and Infrared Spectroscopies

Structure Determination 2: Nuclear Magnetic Resonance Spectroscopy and Mass Spectrometry

Nucleophilic Addition to Polar Π Bonds 1: Addition of Strong Nucleophiles

Nucleophilic Addition to Polar Π Bonds 2: Addition of Weak Nucleophiles and Acid and Base Catalysis

Organic Synthesis 2: Intermediate Topics in Synthesis Design,and Useful Reduction and Oxidation Reactions

Nucleophilic Additionelimination Reactions 1: the General Mechanism Involving Strong Nucleophiles

Nucleophilic Additionelimination Reactions 2: Weak Nucleophiles

Electrophilic Aromatic Substitution 1: Substitution on Benzene; Useful Accompanying Reactions

Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

Reactions Involving Free Radicals

Polymers

Filters