The mechanism for the given Simmons-Smith reaction is to be completed. Concept introduction: The Simmons-Smith reaction is an addition of CH 2 across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously. Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

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Answer 1

Question

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

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CS2(g) →CS(g) + S(g) The rate law is Rate = k[CS2] where k = 1.6 × 10−6 s−¹. S What is the concentration of CS2 after 5 hours if the initial concentration is 0.25 M?

CS2(g) → CS(g) + S(g) The rate law is Rate = k [CS2] where k = 1.6 × 10-6 s−1. S Calculate the half-life.

Answer 2

Question

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

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Answer 3

Question

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

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Answer 4

Question

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

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Answer 5

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

Answer 6

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

Answer 7

Chapter 12, Problem 12.57P

Interpretation Introduction

Interpretation:

The mechanism for the given Simmons-Smith reaction is to be completed.

Concept introduction:

The Simmons-Smith reaction is an addition of CH₂ across the double bond of the alkene to form a cyclopropane ring in the product. The mechanism for this transformation is very similar to that for epoxidation of an alkene by peracids. It involves a concerted action, with the bond making and bond breaking process occurring simultaneously.

Zn-C, C-I and C=C bonds are broken, and simultaneously, new C-C and Zn-I bonds are formed.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 12 - Prob. 12.1P Ch. 12 - Prob. 12.2P Ch. 12 - Prob. 12.3P Ch. 12 - Prob. 12.4P Ch. 12 - Prob. 12.5P Ch. 12 - Prob. 12.6P Ch. 12 - Prob. 12.7P Ch. 12 - Prob. 12.8P Ch. 12 - Prob. 12.9P Ch. 12 - Prob. 12.10P

Solution Summary: The author explains the Simmons-Smith reaction, which is an addition of CH 2 across the double bond of the alkene to form a cyclopropane ring in the product.

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Chapter 12 Solutions