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Draw enol tautomer(s) for each compound. Ignore stereoisomers.
(a)
Interpretation: Enol tautomer(s) of the given compound is to be drawn.
Concept introduction: Tautomers are the isomers which differ only in the position of the hydrogens and electrons of electronegative element, generally oxygen. There is no change in the carbon skeleton of the compound. This phenomenon which involves simple proton transfer in an intramolecular fashion is known as tautomerism.
The very common example of tautomerism is Keto-enol tautomerism. It can be acid or base catalysed.
Answer to Problem 30P
. The enol tautomer of this compound is shown below:
Explanation of Solution
Tautomers are isomers which differ only in the position of the protons and electrons of the compound. There is no change in the carbon skeleton of the compound. The ball and stick model as shown in Figure 1.
Figure 1
The enol tautomer of this compound is shown in Figure 2.
Figure 2
The tautomer of the given compound is showed in Figure 2.
(b)
Interpretation: Enol tautomer(s) of the given compound is to be drawn.
Concept introduction:
Tautomers are the isomers which differ only in the position of the hydrogens and electrons of electronegative element, generally oxygen. There is no change in the carbon skeleton of the compound. This phenomenon which involves simple proton transfer in an intramolecular fashion is known as tautomerism.
The very common example of tautomerism is Keto-enol tautomerism. It can be acid or base catalysed.
Answer to Problem 30P
. The enol tautomer of this compound is shown below:
Explanation of Solution
Tautomers are isomers which differ only in the position of the protons and electrons of the compound. There is no change in the carbon skeleton of the compound. The ball and stick model as shown in Figure 3.
Figure 3
The enol tautomer of this compound is shown in Figure 4.
Figure 4
The tautomer of the given compound is showed in Figure 4.
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Chapter 21 Solutions
Connect Online Access 1-Semester for Organic Chemistry
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Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning