Concept explainers
Neuroprotectin D1 (NPD1) is synthesized in the body from highly unsaturated essential fatty acids. NPD1 is a potent natural anti-inflammatory agent.
NPD1
a. Label each double bond as conjugated or isolated.
b. Label each double bond as E or Z.
c. For each conjugated system, label the given conformation as s-cis or s-trans.
(a)
Interpretation: Neuroprotectin D1 is synthesized in the body from highly unsaturated essential fatty acids. NPD1 is a potent natural anti-inflammatory agent. The each double bond in NPD1 is to be labeled as conjugated or isolated.
Concept introduction: Diene is a hydrocarbon that contains two
Conjugated diene consists of two double bonds that are separated by a single bond, whereas isolated diene also consists of two double bond but they are separated by two more carbon atoms.
The example that shows the basic difference between conjugated diene and isolated diene is shown below.
Figure 1
In conjugated diene, electrons in the pi bonds are delocalized, whereas in isolated diene, electrons in the pi bonds are localized.
Answer to Problem 16.11P
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 3
The double bond present between
Explanation of Solution
The given structure of NPD1 is shown below.
Figure 2
Diene is a hydrocarbon that contains two
Conjugated diene consists of two double bonds that are separated by a single bond, whereas isolated diene also consists of two double bond but they are separated by two more carbon atoms. Therefore, carbon atoms of a conjugated double bond are
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 3
The double bond present between
The each double bond in NPD1 as conjugated or isolated is rightfully stated.
(b)
Interpretation: Neuroprotectin D1 is synthesized in the body from highly unsaturated essential fatty acids. NPD1 is a potent natural anti-inflammatory agent. The each double bond in NPD1 is to be labeled as
Concept introduction: The prefix
Answer to Problem 16.11P
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 4
The double bond present between
Explanation of Solution
The given structure of NPD1 is shown below.
Figure 2
The prefix
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 4
The double bond present between
The each double bond in NPD1 as
(c)
Interpretation: Neuroprotectin D1 is synthesized in the body from highly unsaturated essential fatty acids. NPD1 is a potent natural anti-inflammatory agent. For each conjugated system in NPD1 is to be labeled as
Concept introduction: “If the two double bonds are on the same side of the single bond joining the two double bonds, then it is known as
Answer to Problem 16.11P
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 3
The double bond present between
The double bonds between
Explanation of Solution
The given structure of NPD1 is shown below.
Figure 2
“If the two double bonds are on the same side of the single bond joining the two double bonds, then it is known as
The each double bond in NPD1 as conjugated and isolated diene is shown below.
Figure 3
The double bond present between
The double bonds between
The
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Chapter 16 Solutions
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