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Concept explainers
(a)
Interpretation:
The given amino acid is to be prepared using acetoamidomalonate method.
Concept Introduction:
The method used for preparation of
Answer:
The synthesis of given amino acid using acetoamidomalonate method is shown below.
Explanation:
The given isobutylene reacts with DBr/H2O to form bromoisobutane. Diethylacetamidomalonate forms enolate ion in the presence of sodium ethoxide and ethanol. Then enolate ion is alkylated with bromoisobutane. The compound formed is treated with hot aqueous hydrogen bromide. First, the ester hydrolysis takes place. Second, the decarboxylation of carboxylic group takes place. Third, acetamido group and amide gets hydrolysed. This results in the product formation. The complete reaction is shown below.
Figure 1
Conclusion:
The complete synthesis of given compound is shown in Figure 1.
(b)
Interpretation:
The given amino acid is to be prepared using acetoamidomalonate method.
Concept Introduction:
The method used for preparation of
(c)
Interpretation:
The given amino acid is to be prepared using acetoamidomalonate method.
Concept Introduction:
The method used for preparation of
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Chapter 27 Solutions
Organic Chemistry
- All of these compounds would be produced (I think). In my book, I don't see any rules about yield in this case, like explaining that one product would be present in less yield for this reason or that reason. Please explain why some of these produce less yield than others.arrow_forward5. Fill in the missing molecules in the following reaction pathway. TMSO Heat + CI then HF O₂N (1.0 equiv) AICI 3 OMearrow_forwarde. O₂N NO2 1. excess H2, Pd/C 2. excess NaNO2, HCI 3. excess CuCNarrow_forward
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- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
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