. Consider the reaction below to answer the following question:HNaOEtHBOHبلیH+ H₂OA. Write the complete stepwise mechanism for the reaction above. Show all intermediate structuresand all electron flow with arrows.B. This reaction is an example of:an intramolecular aldol condensationa.an intramolecular Claisen condensationb.C.d.a Robinson annulationa Michael reactionC. The product of this reaction is:a.b.C.d.a ẞ. y-unsaturated aldehydean a, B-unsaturated ketonean a, B-unsaturated aldehydean enol

Answered: Image /qna-images/answer/9e6c521a-9851-4a85-95a1-d30509bb331b.jpg

Answered: . Consider the reaction below to answer…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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6. Consider the reaction below to answer the following questions: OEt -OH HO- This reaction is an example of: a. an intermolecular aldol reaction b. an intramolecular aldol reaction a mixed aldol reaction C. d. Michael reaction e. Stork reaction + H₂O Write the complete stepwise mechanism for this reaction. Show intermediate structures and all electron flow with arrows. + EtO- The purpose of the base catalyst in this reaction is: a. to polarize the carbonyl group to make it more electrophilic b. to convert the ester to an intermediate carboxylic acid C. to convert the alcohol group to an alkoxide anion, which is a better nucleophile d. to convert the alcohol group to an alkoxide anion, which is a better electrophile e. all of the above
4. Propose a reasonable synthetic route for the following conversion. Show all isolated intermediate. Br a. b. OH C. OH OH Br d.
Write a mechanism for the following reaction:
10. Explain the reaction shown below. Include the following pieces in your explanation. a. Identify the electrophile and the nucleophile. b. Draw a curved arrow mechanism for this reaction. (Assume an acidic work-up). Explain the electron flow. Indicate any regiochemical or stereochemical preferences. C. d. LIAIH4 OH
Provide the reactant(s) that would give the following possible aldol condensation product. A. H B. H enlig Si E. C. D. OH O
10. Explain the reaction shown below. Include the following pieces in your explanation. Identify the electrophile and the nucleophile. Draw a curved arrow mechanism for this reaction. (Assume an acidic work-up). Explain the electron flow. Indicate any regiochemical or stereochemical preferences. one b. c. d. LIAIH4 OH one
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Choose the most correct set of reagents for the following reactions. 1. ? a O b O C O 으으 OH 2. ? OMe a. 1. MsCl, pyridine; 2. NaOCH3, CH3OH b. 1. HCI, pyridine; 2. NaOCH3, CH3OH c. 1. PCI 3, SOCI2; 2. NaOCH3, CH3OH d. 1. TsCl, pyridine; 2. NaOCH3, CH3OH e. 1. CH3O-, pyridine; 2. H* f. 1. Pl3, pyridine; 2. -OCH3
What will mostrapidly undergo solvolysis in aqueous methanol? Br A. B. Br Br C. Br- D. In other words, what will most rapidly react with methanol?
2. When the following pair of reactants are combined in the presence of a basic catalyst, a number of aldol addition products are possible (since both of the reactants possess an acidic alpha proton). a. b. C. CH3 + H₂C H NaOH/H₂O Draw the structures for the two possible enolate ions. Draw the structures for all possible aldol addition products (also show the enolate ion and electrophilic carbonyl compound responsible for each product). For each of the aldol addition products predicted in part b, draw the structures for all of the corresponding aldol condensation products after loss of water (if E/Z isomers are possible, show both isomers)
Which is the product of the following reaction? A. B. لم NaOMe Major enolate C. an equal mixture of A and B D. no enolate can be formed
Provide the reactants that would give the following aldol condensation product. ... H + A. له شوه B. مله .H .. C. D. H

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