(a) Interpretation: Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted. Concept introduction: Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are; No. of electrons Activation mode Stereochemistry of rotation 4n Thermal Photochemical Con Dis 4n + 2 Thermal Photochemical Dis Con

Question

Want to see the full answer?

Answer 1

Question

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Show how the following starting materials are converted to the given product by a series of two pericyclic reactions. Account for the observed stereochemistry.

Which products are obtained by the following reactions (a) and (b)? Specify the expected main product, if several products can be formed.

What are the products of the following ether cleavage reactions? What is the mechanism that follows?

Answer 2

Question

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Answer 6

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Answer 7

Chapter 28, Problem 28.47AP

Interpretation Introduction

(a)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate X involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner. In phase orbital overlap results in symmetry allowed electrocyclic reactions. Selection rules of electrocyclic reactions are;

No. of electrons Activation mode Stereochemistry of rotation

4n Thermal
Photochemical Con
Dis

4n + 2 Thermal
Photochemical Dis
Con

Answer 8

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Each of the following reactions involves a sequence of two pericyclic reactions. The intermediate Y involved in each reaction, and pericyclic reactions involved are to be depicted.

Concept introduction:

Electrocyclic reactions are a pericyclic reaction which occur intramolecularly. These reactions will result in the formation of ring compounds under the influence of heat or light. Notably, in this process one new sigma bond is formed and one old π-bond is consumed. Intriguingly, the reverse ring opening electrocyclic reaction can also be possible to occur under the same reaction mechanism but in reverse manner.

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 13

Ch. 28 - Prob. 28.1P Ch. 28 - Prob. 28.2P Ch. 28 - Prob. 28.3P Ch. 28 - Prob. 28.4P Ch. 28 - Prob. 28.5P Ch. 28 - Prob. 28.6P Ch. 28 - Prob. 28.7P Ch. 28 - Prob. 28.8P Ch. 28 - Prob. 28.9P Ch. 28 - Prob. 28.10P

Solution Summary: The author explains that electrocyclic reactions occur intramolecularly and result in the formation of ring compounds under the influence of heat or light.

Want to see the full answer?

Chapter 28 Solutions

No. of electrons	Activation mode	Stereochemistry of rotation
4n	Thermal Photochemical	Con Dis
4n + 2	Thermal Photochemical	Dis Con