Organic Chemistry
Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
Question
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Chapter 23.8, Problem 23.13P

(a)

Interpretation Introduction

Interpretation:

Synthesis of 3-nitrophenol has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Conversion of aromatic amines to phenol:

Aromatic amines converted to arenediazonium salt by reacting with NaNO2 in presence of aqueous sulfuric acid which further on heating with water forms a phenol.

(b)

Interpretation Introduction

Interpretation:

Synthesis of 3-bromo nitrobenzene has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Reaction of a primary aromatic amine with sodium nitrite:

The reaction of a primary aromatic amine with sodium nitrite in presence of aqueous HCl gives an arenediazonium salt.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  1

Sandmeyer reaction:  It reaction type of organic reaction where the diazonium group in an arenediazonium salt gets replaced by Cl, Br or CN groups on reacting with HCl/CuCl, HBr/CuBr or HCN/CuCN.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  2

Hydrogenation:

Hydrogenation means the addition of hydrogen molecules to the unsaturated compound which makes them saturated hydrocarbon in the presence of catalyst.

(c)

Interpretation Introduction

Interpretation:

Synthesis of 1,3-dihydroxybenzene has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Reaction of a primary aromatic amine with sodium nitrite:

The reaction of a primary aromatic amine with sodium nitrite in presence of aqueous HCl gives an arenediazonium salt.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  3

Hydrogenation:

Hydrogenation means the addition of hydrogen molecules to the unsaturated compound which makes them saturated hydrocarbon in the presence of catalyst.

(d)

Interpretation Introduction

Interpretation:

Synthesis of 3-fluoroaniline has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Schiemann reaction: It is a method used to introduce fluorine into an aromatic ring. The reaction of a primary aromatic amine with sodium nitrite in presence of aqueous HCl followed by the reaction with NaBF4 or HBF4 that results in the introduction of a fluorine atom in the compound.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  4

(e)

Interpretation Introduction

Interpretation:

Synthesis of 3-fluorophenol has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Conversion of aromatic amines to phenol:

Aromatic amines converted to arenediazonium salt by reacting with NaNO2 in presence of aqueous sulfuric acid which further on heating with water forms a phenol.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  5

Schiemann reaction: It is a method used to introduce fluorine into an aromatic ring. The reaction of a primary aromatic amine with sodium nitrite in presence of aqueous HCl followed by the reaction with NaBF4 or HBF4 that results in the introduction of a fluorine atom in the compound.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  6

(f)

Interpretation Introduction

Interpretation:

Synthesis of 3-hydroxybenzonitrile has to be proposed using 3-nitroaniline as starting material.

Concept Introduction:

Hydrogenation:

Hydrogenation means the addition of hydrogen molecules to the unsaturated compound which makes them saturated hydrocarbon in the presence of catalyst.

Reaction of a primary aromatic amine with sodium nitrite:

The reaction of a primary aromatic amine with sodium nitrite in presence of aqueous HCl gives an arenediazonium salt.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  7

Sandmeyer reaction:  It reaction type of organic reaction where the diazonium group in an arenediazonium salt gets replaced by Cl, Br or CN groups on reacting with HCl/CuCl, HBr/CuBr or HCN/CuCN.

Organic Chemistry, Chapter 23.8, Problem 23.13P , additional homework tip  8

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Students have asked these similar questions
(a) Draw the structures of the following compounds :(i) 4-Chloropentan-2-one                       (ii) p-Nitropropiophenone(b) Give tests to distinguish between the following pairs of compounds :(i) Ethanal and Propanal (ii) Phenol and Benzoic acid(iii) Benzaldehyde and Acetophenone
(a) Arrange the following compounds in an increasing order of their indicated property :(i) Benzoic acid, 4-Nitrobenzoic acid, 3,4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)(ii) CH3CH2CH (Br) COOH, CH3CH (Br) CH2COOH,(CH3)2CHCOOH, CH3CH2CH2COOH (acid strength)(b) How would you bring about the following conversions :(i) Propanone to Propene (ii) Benzoic acid to Benzaldehyde(iii) Bromobenzene to 1-phenylethanol
Reaction of p-nitroaniline with sodium nitrite and hydrochloric acid at 0°C, followed by treatment with N,N-diethylaniline.

Chapter 23 Solutions

Organic Chemistry

Ch. 23.5 - Prob. FQCh. 23.5 - Prob. GQCh. 23.5 - Select the stronger acid from each pair of...Ch. 23.6 - Prob. 23.7PCh. 23.6 - Prob. 23.8PCh. 23.6 - Prob. 23.9PCh. 23.7 - Prob. 23.10PCh. 23.8 - Prob. 23.11PCh. 23.8 - Prob. 23.12PCh. 23.8 - Prob. 23.13PCh. 23.9 - Prob. 23.14PCh. 23.10 - In Example 23.15, you considered the product of...Ch. 23 - Prob. 23.16PCh. 23 - Prob. 23.17PCh. 23 - Prob. 23.18PCh. 23 - Prob. 23.19PCh. 23 - Prob. 23.20PCh. 23 - Prob. 23.21PCh. 23 - Prob. 23.22PCh. 23 - Account for the formation of the base peaks in...Ch. 23 - Prob. 23.24PCh. 23 - Select the stronger base from each pair of...Ch. 23 - The pKa, of the conjugate acid of morpholine is...Ch. 23 - Which of the two nitrogens in pyridoxamine (a form...Ch. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - Prob. 23.30PCh. 23 - Prob. 23.31PCh. 23 - Suppose you have a mixture of these three...Ch. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - Prob. 23.35PCh. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - (S)-Glutamic acid is one of the 20 amino acid...Ch. 23 - Prob. 23.39PCh. 23 - Propose a structural formula for the compound...Ch. 23 - Prob. 23.41PCh. 23 - The pyrolysis of acetic esters to give an alkene...Ch. 23 - Propose steps for the following conversions using...Ch. 23 - Show how to bring about each step in this...Ch. 23 - Show how to bring about each step in the following...Ch. 23 - Prob. 23.48PCh. 23 - Prob. 23.49PCh. 23 - Methylparaben is used as a preservative in foods,...Ch. 23 - Prob. 23.51PCh. 23 - Prob. 23.52PCh. 23 - Propose a synthesis for the systemic agricultural...Ch. 23 - Prob. 23.54PCh. 23 - Several diamines are building blocks for the...Ch. 23 - Prob. 23.56PCh. 23 - Prob. 23.57PCh. 23 - Prob. 23.58PCh. 23 - Prob. 23.59PCh. 23 - Following is a retrosynthesis for the coronary...Ch. 23 - Prob. 23.61PCh. 23 - Prob. 23.62PCh. 23 - Given this retrosynthetic analysis, propose a...Ch. 23 - Prob. 23.64PCh. 23 - Following is a series of anorexics (appetite...Ch. 23 - Prob. 23.66PCh. 23 - Prob. 23.67PCh. 23 - Show how the synthetic scheme developed in Problem...Ch. 23 - Prob. 23.69PCh. 23 - Prob. 23.70PCh. 23 - Prob. 23.71PCh. 23 - Prob. 23.72P
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