Concept explainers
Draw the products when each pair of compounds is treated with
a. c.
b. d.
(a)
Interpretation: The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Concept introduction: The combination of the Michael reaction and intramolecular aldol reaction in which the formation of a ring takes place is known as Robinson annulation reaction.
Answer to Problem 24.24P
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Explanation of Solution
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Figure 1
In this reaction, the carbonyl compound,
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
(b)
Interpretation: The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Concept introduction: The combination of the Michael reaction and intramolecular aldol reaction in which the formation of a ring takes place is known as Robinson annulation reaction.
Answer to Problem 24.24P
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Explanation of Solution
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Figure 2
In this reaction, the carbonyl compound,
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
(c)
Interpretation: The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Concept introduction: The combination of the Michael reaction and intramolecular aldol reaction in which the formation of a ring takes place is known as Robinson annulation reaction.
Answer to Problem 24.24P
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Explanation of Solution
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Figure 3
In this reaction, the carbonyl compound, cyclopentanone is treated with a base,
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
(d)
Interpretation: The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Concept introduction: The combination of the Michael reaction and intramolecular aldol reaction in which the formation of a ring takes place is known as Robinson annulation reaction.
Answer to Problem 24.24P
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Explanation of Solution
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
Figure 4
In this reaction, the carbonyl compound is treated with a base,
The product that is formed by the Robinson annulation reaction of the given pair of compounds with
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Chapter 24 Solutions
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