(a) Interpretation: The synthesis of the quaternary ammonium salt ( CH 3 ) 3 N + CH 2 PhBr − from dimethylamine and any other reagents is to be predicted. Concept introduction: The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

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Answer 1

Question

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

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20. The Brusselator. This hypothetical system was first proposed by a group work- ing in Brussels [see Prigogine and Lefever (1968)] in connection with spatially nonuniform chemical patterns. Because certain steps involve trimolecular reac tions, it is not a model of any real chemical system but rather a prototype that has been studied extensively. The reaction steps are A-X. B+X-Y+D. 2X+ Y-3X, X-E. 305 It is assumed that concentrations of A, B, D, and E are kept artificially con stant so that only X and Y vary with time. (a) Show that if all rate constants are chosen appropriately, the equations de scribing a Brusselator are: dt A-(B+ 1)x + x²y, dy =Bx-x²y. di

Answer 2

Question

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

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Answer 3

Question

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

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Answer 4

Question

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

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Answer 5

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Answer 6

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Answer 7

Chapter 23, Problem 23.19P

Interpretation Introduction

(a)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from dimethylamine and any other reagents is to be predicted.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The synthesis of the quaternary ammonium salt (CH3)3N+CH2PhBr− from benzylamine and any other reagents is to be stated.

Concept introduction:

The quaternary compound is formed by the process of reductive amination. There is conversion of amine into imine. The imine is reduced to new amine. In the process of reductive amination the reduction of amine takes place with the gain of electrons by the given compound.

Answer 10

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Answer 12

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Answer 13

Ch. 23 - Prob. 23.1P Ch. 23 - Prob. 23.2P Ch. 23 - Prob. 23.3P Ch. 23 - Prob. 23.4P Ch. 23 - Prob. 23.5P Ch. 23 - Prob. 23.6P Ch. 23 - Prob. 23.7P Ch. 23 - Prob. 23.8P Ch. 23 - Prob. 23.9P Ch. 23 - Prob. 23.10P

Solution Summary: The author explains the process of synthesis of the quaternary ammonium salt from dimethylamine and sodium cyanoborohydride.

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Chapter 23 Solutions