Concept explainers
(a)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 1
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 2
The diene and dienophile that are needed to prepare given product are shown in Figure 2.
(b)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 3
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 4
The diene and dienophile that are needed to prepare given product are shown in Figure 4.
(c)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 5
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 6
The diene and dienophile that are needed to prepare given product are shown in Figure 6.
(d)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 7
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 8
The diene and dienophile that are needed to prepare given product are shown in Figure 8.
(e)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 9
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 10
The diene and dienophile that are needed to prepare given product are shown in Figure 10.
(f)
Interpretation: The diene and dienophile that are needed to prepare given product is to be stated.
Concept introduction: Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Answer to Problem 16.51P
The diene and dienophile that are needed to prepare given product is shown below.
Explanation of Solution
The given product is shown below.
Figure 11
Diels-alder reaction is a cycloaddition reaction in which two molecules combine to form a new ring. In this type of reaction, syn addition takes place. It is a reaction between diene with a dienophile to yield a cyclohexene. The dienophile adds to one side of the diene, and diene adds to the one side of the dienophile. Thus, they have syn stereochemistry.
Retro synthesis can be carried out to identify the diene and dienophile for the given product.
Therefore, the diene and dienophile that are needed to prepare given product is shown below.
Figure 12
The diene and dienophile that are needed to prepare given product are shown in Figure 12.
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