Show how 4-boromo-2-nitro aniline is synthesized, starting from aniline. b. Write the aldol condensation reaction mechanism of benzaldehyde and propanal and the resulting product.
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a.Show how 4-boromo-2-nitro aniline is synthesized, starting from aniline.
b. Write the aldol condensation reaction mechanism of benzaldehyde and propanal and the resulting product.
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- Using cyclopentanone as the reactant, show the product of a. acid-catalyzed keto–enol interconversion. b. an aldol addition. c. an aldol condensation.Which statement describes why aldol reactions with ketones are low yielding? A.Ketones do not have acidic protons. B.Ketones are too electron poor at the carbonyl carbon. C.Ketones can attack other ketones well but perform poorly in self-condensations. D.The product of a ketone addition to a ketone has considerable steric strain.3. For the equilibrium shown below, is the Keq greater or less than 1? OH CH3 C CH₂ 0 || CH3 CCH3
- Provide the reactant(s) that would give the following possible aldol condensation product. A. H B. H enlig Si E. C. D. OH OWhat types of species are the electrophile and nucleophile in an aldol addition? 1. Nu: ester, E+: carbonyl 2. Nu: carbonyl, E+: carbonyl 3. Nu: carbonyl, E+: ester 4. Nu: ester, E+: esterThe reaction of a nitrile with an alcohol in the presence of a strong acid forms an N-substituted amide. This reaction, known as the Ritter reaction, doesnot work with primary alcohols. a. Propose a mechanism for the Ritter reaction.b. Why does the Ritter reaction not work with primary alcohols?c. How does the Ritter reaction differ from the acid-catalyzed hydrolysis of a nitrile to form an amide?
- I need help determining the starting materials for these three aldol reactions.A compound known as Hagemann’s ester can be prepared by treating a mixture of formaldehyde and ethyl acetoacetate first with base and then with acid and heat. Write the structure for the product of each of the steps.a. The first step is an aldol-like condensation.b. The second step is a Michael addition.c. The third step is an intramolecular aldol addition.d. The final transformation includes a dehydration and a hydrolysis followed by a decarboxylation.23. Show the complete stepwise reaction mechanism for the following Aldol condensation reaction. Use curved arrows to indicate the direction of electron flow. NaOH H,0
- 9. What type of product results when an aldehyde undergoes an aldol reaction with heat? a. conjugated diene b. B-hydroxy aldehyde c. a,ß-unsaturated aldehyde d. B-ketoesterDefine Dehydration of the Aldol Product ?1. Discuss the role of the Aldol condensation reaction in the synthesis below. What specific reaction was used in the synthesis? What is the importance of the aldol reaction in the entire synthetic approach? 2. Show the detailed reaction mechanism involved in their corresponding specific parts in this syntheses.