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Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079

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BuyFindarrow_forward

Organic And Biological Chemistry

7th Edition
STOKER + 1 other
ISBN: 9781305081079
Textbook Problem

What is the IUPAC name of the “parent” amine for each of the amine salts in problem 17-56?

Chapter 6, Problem 6.58EP, What is the IUPAC name of the parent amine for each of the amine salts in problem 17-56? a. , example  1

  1. a. CH 3 CH 2 CH 2 CH 2 N + H 3 Cl -

Chapter 6, Problem 6.58EP, What is the IUPAC name of the parent amine for each of the amine salts in problem 17-56? a. , example  2

Chapter 6, Problem 6.58EP, What is the IUPAC name of the parent amine for each of the amine salts in problem 17-56? a. , example  3

(a)

Interpretation Introduction

Interpretation:

IUPAC name for the parent amine from which the given amine salt is formed has to be given.

Concept Introduction:

IUPAC rules for naming ammonium ions:

There are two rules that has to be followed while naming a positive ion (ammonium ion) and they are,

  • In order to name an alkylamine, the ending of the name amine is changed from amine to ammonium ion.
  • In order to name an aromatic amine, the ending of the name “-e” is replaced by “-ium ion”.

IUPAC nomenclature for amine:  There are about five rules to be followed in giving IUPAC name for an amine.

  • Longest carbon chain has to be identified that is attached to nitrogen atom.
  • Suffix “-e” in name of the parent chain alkane is replaced by “-amine”.
  • Numbering of the carbon chain is done from the end that is near the nitrogen atom.
  • Point of attachment of the nitrogen atom in the carbon chain is indicated by a number before the parent chain name.
  • In case if substituents are present, then the identity and location of substituents are appended to the front in the parent chain name.

If the compound contains two amine groups, then the suffix “-e” is replaced by diamine.  Tertiary and secondary amines are named as N-substituted primary amines.

Common name for amine is given in a single word.  Primary amine is named as alkylamine.  Secondary amine is named as alkylalkylamine.  Tertiary amine is named as alkylalkylalkylamine.

Explanation

Given amine salt is,

The parent amine can be found by deprotonating the amine salt.  This can be accomplished by treating it with a strong base.  The complete reaction can be given as,

Structure of the amine is,

The longest carbon chain attached to the nitrogen atom is found to be containing two carbon atoms.  Hence, the parent alkane is ethane.  Amine is named by replacing the suffix “-e” in the parent alkane name with “-amine”...

(b)

Interpretation Introduction

Interpretation:

IUPAC name for the parent amine from which the given amine salt is formed has to be given.

Concept Introduction:

IUPAC rules for naming ammonium ions:

There are two rules that has to be followed while naming a positive ion (ammonium ion) and they are,

  • In order to name an alkylamine, the ending of the name amine is changed from amine to ammonium ion.
  • In order to name an aromatic amine, the ending of the name “-e” is replaced by “-ium ion”.

IUPAC nomenclature for amine:  There are about five rules to be followed in giving IUPAC name for an amine.

  • Longest carbon chain has to be identified that is attached to nitrogen atom.
  • Suffix “-e” in name of the parent chain alkane is replaced by “-amine”.
  • Numbering of the carbon chain is done from the end that is near the nitrogen atom.
  • Point of attachment of the nitrogen atom in the carbon chain is indicated by a number before the parent chain name.
  • In case if substituents are present, then the identity and location of substituents are appended to the front in the parent chain name.

If the compound contains two amine groups, then the suffix “-e” is replaced by diamine.  Tertiary and secondary amines are named as N-substituted primary amines.

Common name for amine is given in a single word.  Primary amine is named as alkylamine.  Secondary amine is named as alkylalkylamine.  Tertiary amine is named as alkylalkylalkylamine.

(c)

Interpretation Introduction

Interpretation:

IUPAC name for the parent amine from which the given amine salt is formed has to be given.

Concept Introduction:

IUPAC rules for naming ammonium ions:

There are two rules that has to be followed while naming a positive ion (ammonium ion) and they are,

  • In order to name an alkylamine, the ending of the name amine is changed from amine to ammonium ion.
  • In order to name an aromatic amine, the ending of the name “-e” is replaced by “-ium ion”.

IUPAC nomenclature for amine:  There are about five rules to be followed in giving IUPAC name for an amine.

  • Longest carbon chain has to be identified that is attached to nitrogen atom.
  • Suffix “-e” in name of the parent chain alkane is replaced by “-amine”.
  • Numbering of the carbon chain is done from the end that is near the nitrogen atom.
  • Point of attachment of the nitrogen atom in the carbon chain is indicated by a number before the parent chain name.
  • In case if substituents are present, then the identity and location of substituents are appended to the front in the parent chain name.

If the compound contains two amine groups, then the suffix “-e” is replaced by diamine.  Tertiary and secondary amines are named as N-substituted primary amines.

Common name for amine is given in a single word.  Primary amine is named as alkylamine.  Secondary amine is named as alkylalkylamine.  Tertiary amine is named as alkylalkylalkylamine.

(d)

Interpretation Introduction

Interpretation:

IUPAC name for the parent amine from which the given amine salt is formed has to be given.

Concept Introduction:

IUPAC rules for naming ammonium ions:

There are two rules that has to be followed while naming a positive ion (ammonium ion) and they are,

  • In order to name an alkylamine, the ending of the name amine is changed from amine to ammonium ion.
  • In order to name an aromatic amine, the ending of the name “-e” is replaced by “-ium ion”.

IUPAC nomenclature for amine:  There are about five rules to be followed in giving IUPAC name for an amine.

  • Longest carbon chain has to be identified that is attached to nitrogen atom.
  • Suffix “-e” in name of the parent chain alkane is replaced by “-amine”.
  • Numbering of the carbon chain is done from the end that is near the nitrogen atom.
  • Point of attachment of the nitrogen atom in the carbon chain is indicated by a number before the parent chain name.
  • In case if substituents are present, then the identity and location of substituents are appended to the front in the parent chain name.

If the compound contains two amine groups, then the suffix “-e” is replaced by diamine.  Tertiary and secondary amines are named as N-substituted primary amines.

Common name for amine is given in a single word.  Primary amine is named as alkylamine.  Secondary amine is named as alkylalkylamine.  Tertiary amine is named as alkylalkylalkylamine.

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