(a) Interpretation: A synthesis of given compound from the given starting materials is to be stated. Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes . When a carbonyl compound is treated with a Wittig reagent, the C = O bond of carbonyl is replaced by C = C , with by-product triphenylphosphine oxide ( Ph 3 P = O ) .

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Answer 1

Question

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

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Answer 2

Question

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

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Answer 3

Question

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

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Answer 4

Question

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

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Answer 5

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

Answer 6

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Answer 7

Chapter 18, Problem 60P

Interpretation Introduction

(a)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: The Wittig reaction utilizes carbon nucleophile from the Wittig reagent to yield alkenes. When a carbonyl compound is treated with a Wittig reagent, the C=O bond of carbonyl is replaced by C=C, with by-product triphenylphosphine oxide (Ph3P=O).

Answer 8

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Answer 9

Interpretation Introduction

(b)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Acetals are the groups in which carbon atom is bonded with two OR groups through single bonds. They are used as protecting groups for aldehydes and ketones as they are stable enough in neutral to strong basic condition.

Answer 10

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

Answer 11

Interpretation Introduction

(c)

Interpretation: A synthesis of given compound from the given starting materials is to be stated.

Concept introduction: Enamines are the groups in which nitrogen atom is bonded with an alkene (C=C).A secondary amine yields enamine with a ketone, or an aldehyde. The reaction involves addition of nitrogen nucleophile followed by removal of water molecule.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 18.1 - Rank the following compounds in order of...Ch. 18.1 - Prob. 2P Ch. 18.2 - Give the IUPAC name for each aldehyde.Ch. 18.2 - Prob. 4P Ch. 18.2 - Give the IUPAC name for each ketone.Ch. 18.5 - Prob. 11P Ch. 18.9 - Problem 21.17 Draw the products of the following...Ch. 18.9 - Problem 21.18 Outline a synthesis of each Wittig...Ch. 18.9 - Problem 21.19 Draw the products (including...Ch. 18.9 - Problem 21.20 What starting materials are needed...

Solution Summary: The author explains that a synthesis of given compound from the given starting materials is shown in explanation part.

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Chapter 18 Solutions