(a)
Interpretation: The primary, secondary or tertiary amine in the given compound is to be classified.
Concept introduction:
In secondary amines, two of the hydrogen atoms of ammonia are replaced by alkyl or aryl group.
In tertiary amines, all hydrogen atoms of ammonia are replaced by alkyl or aryl group.
Answer to Problem 25.1P
Each amine in the given compound is classified as,
Explanation of Solution
The given compound is shown below.
Figure 1
In spermine, four nitrogen atoms are present. Among these four nitrogen atoms, two are primary amines that contain one alkyl group on nitrogen atom and two are secondary amines that contain two alkyl groups on nitrogen atom as shown below.
Figure 2
In spermine, primary and secondary amines are present as shown in Figure 2.
(b)
Interpretation: The primary, secondary or tertiary amine in the given compound is to be classified.
Concept introduction: Amines are nitrogen-containing organic compounds. The general formula of amines is
In secondary amines, two of the hydrogen atoms of ammonia are replaced by alkyl or aryl group.
In tertiary amines, all hydrogen atoms of ammonia are replaced by alkyl or aryl group.
Answer to Problem 25.1P
Each amine in the given compound is classified as,
Explanation of Solution
The given compound is shown below.
Figure 3
Meperidine contains one nitrogen atom bonded to three alkyl groups. Hence, it is a tertiary amine as shown below.
Figure 4
In meperidine, tertiary amine is present as shown in Figure 4.
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Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning