Organic Chemistry
Organic Chemistry
6th Edition
ISBN: 9781936221349
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
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Chapter 23, Problem 23.35P
Interpretation Introduction

(a)

Interpretation:

The amine among 2, 2-dimethyl-1-propanamine, 3-methyl-1-pentanamine, or N-butylaniline that can be prepared from the Gabriel synthesis or Staudinger reaction is to be stated.

Concept introduction:

Gabriel synthesis is a reaction in which a primary amine is formed when a phthalimide anion is alkylated and then undergoes hydrolysis. It is the best method to prepare primary aliphatic amines. Aromatic amines cannot be prepared by this reaction.

Staudinger reaction is also used to prepare primary amines. In this reaction, alkyl halides react with azide to form alkyl azides which on reaction with triphenylphosphine form an intermediate, phosphazide. The phosphazide undergoes rearrangement to form iminophosphorane which on hydrolysis yield primary amines.

Interpretation Introduction

(b)

Interpretation:

The synthesis of 3-methyl-1-pentanamine from an alkyl halide by using Gabriel synthesis method is to be proposed.

Concept introduction:

Gabriel synthesis is a reaction in which a primary amine is formed when a phthalimide anion is alkylated and then undergoes hydrolysis. It is the best method to prepare primary aliphatic amines. Aromatic amines cannot be prepared by this reaction.

Interpretation Introduction

(c)

Interpretation:

The synthesis of 3-methyl-1-pentanamine from an alkyl halide by using Staudinger reaction method is to be proposed.

Concept introduction:

Staudinger reaction is also used to prepare primary amines. In this reaction, alkyl halides react with azide to form alkyl azides which on reaction with triphenylphosphine form an intermediate, phosphazide. The phosphazide undergoes rearrangement to form iminophosphorane which on hydrolysis yield primary amines.

Interpretation Introduction

(d)

Interpretation:

The reason as to why, 2, 2-dimethyl-1-propanamine, and N-butylaniline cannot be prepared by Gabriel synthesis and Staudinger reaction method is to be stated.

Concept introduction:

Gabriel synthesis is a reaction in which a primary amine is formed when a phthalimide anion is alkylated and then undergoes hydrolysis. It is the best method to prepare primary aliphatic amines. Aromatic amines cannot be prepared by this reaction.

Staudinger reaction is also used to prepare primary amines. In this reaction, alkyl halides react with azide to form alkyl azides which on reaction with triphenylphosphine form an intermediate, phosphazide. The phosphazide undergoes rearrangement to form iminophosphorane which on hydrolysis yield primary amines.

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Chapter 23 Solutions

Organic Chemistry

Ch. 23 - Prob. 23.11PCh. 23 - Prob. 23.12PCh. 23 - Prob. 23.13PCh. 23 - Prob. 23.14PCh. 23 - Prob. 23.15PCh. 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 - Prob. 23.23PCh. 23 - Prob. 23.24PCh. 23 - Prob. 23.25PCh. 23 - Prob. 23.26PCh. 23 - Prob. 23.27PCh. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - Prob. 23.30PCh. 23 - Prob. 23.31PCh. 23 - Prob. 23.32PCh. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - Prob. 23.35PCh. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - Prob. 23.38PCh. 23 - Prob. 23.39PCh. 23 - Prob. 23.40PCh. 23 - Prob. 23.41PCh. 23 - Prob. 23.42PCh. 23 - Prob. 23.43PCh. 23 - Prob. 23.44APCh. 23 - Prob. 23.45APCh. 23 - Prob. 23.46APCh. 23 - Prob. 23.47APCh. 23 - Prob. 23.48APCh. 23 - Prob. 23.49APCh. 23 - Prob. 23.50APCh. 23 - Prob. 23.51APCh. 23 - Prob. 23.52APCh. 23 - Prob. 23.53APCh. 23 - Prob. 23.54APCh. 23 - Prob. 23.55APCh. 23 - Prob. 23.56APCh. 23 - Prob. 23.57APCh. 23 - Prob. 23.58APCh. 23 - Prob. 23.59APCh. 23 - Prob. 23.60APCh. 23 - Prob. 23.61APCh. 23 - Prob. 23.62APCh. 23 - Prob. 23.63APCh. 23 - Prob. 23.64APCh. 23 - Prob. 23.65APCh. 23 - Prob. 23.66APCh. 23 - Prob. 23.67APCh. 23 - Prob. 23.68APCh. 23 - Prob. 23.69APCh. 23 - Prob. 23.70APCh. 23 - Prob. 23.71APCh. 23 - Prob. 23.72APCh. 23 - Prob. 23.73APCh. 23 - Prob. 23.74APCh. 23 - Prob. 23.75APCh. 23 - Prob. 23.76APCh. 23 - Prob. 23.77APCh. 23 - Prob. 23.78APCh. 23 - Prob. 23.79APCh. 23 - Prob. 23.80APCh. 23 - Prob. 23.81AP
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