Major product in the given set of reactions when treated with Et 2 CuLi followed by mild acid should be identified. Concept introduction: When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α , β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

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Answer 1

Question

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

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Where are the chiral centers in this molecule? Also is this compound meso yes or no?

Answer 2

Question

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

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Answer 3

Question

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

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Answer 4

Question

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

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Answer 5

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 6

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 7

Chapter 21.6, Problem 35CC

(a)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 8

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 9

(b)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 10

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 11

(c)

Interpretation Introduction

Interpretation:

Major product in the given set of reactions when treated with Et2CuLi followed by mild acid should be identified.

Concept introduction:

When a diketone is deprotonated to form a doubly stabilized enolate ion (Michael donor) which acts as a nucleophile for 1,4-conjugate addition to α,β -unsaturated compound (Michael acceptor) is known as Michael reaction. Michael reaction is thermodynamically controlled. A general scheme is shown below,

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 21.1 - Prob. 1CC Ch. 21.1 - Prob. 2CC Ch. 21.1 - Prob. 3CC Ch. 21.1 - Prob. 1LTS Ch. 21.1 - Prob. 4PTS Ch. 21.1 - APPLY the skill As with aldehydes and ketones, the...Ch. 21.1 - Draw the enolate ion that is formed when each of...Ch. 21.1 - Prob. 7CC Ch. 21.2 - Prob. 8CC Ch. 21.2 - Prob. 9CC

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