Please don't provide handwritten solution ..... 3. Show how you would use an Aldol reaction to prepare the following compounds.b)a)оO

Step 1:Aldol reaction:-Aldol reaction combines two carbonyl compounds by making a C-C bond. This…

Answered: 3. Show how you would use an Aldol…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter26: Aldol And Claisen Reactions

Section: Chapter Questions

Problem 9CTQ

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Draw the structure of the major aldol product (prior to possible dehydration) of the following reaction. O ⇐ H dilute NaOH 95% aq. ethanol, 0-5° • You do not have to consider stereochemistry. •If no reaction occurs, draw the organic starting material. + HO CH3 On t ?
Draw the structures A, B and C for the reaction sequence below.
Draw the structure of the major organic product of the following reaction. Predict whether the product will be an aldol or an enone
3. Show how the following compound can be synthesized using an Aldol Condensation reaction.
Draw the structure of the major aldol product (prior to possible dehydration) of the following reaction. CH3 CH3 CH3 H dilute aqueous NaOH 0-5° • You do not have to consider stereochemistry. • If no reaction occurs, draw the organic starting material. {n [t ? ChemDoodle
4. Draw the aldehydes needed to prepare the compound below by an aldol reaction. OH CHO From: ogynu abmu and Vo
2. Propose reagents to achieve the following syntheses using an Aldol addition or condensation. Η Η ملی он
The anticoagulant Warfarin can be synthesized by a conjugate addition (Michael addition) reaction as shown below: a) Propose a mechanism for the reaction starting from the enolate shown below. You can assume water is present for any proton transfers needed.b) We saw that the keto tautomer is normally preferred over the enol tautomer, however, the enol tautomer is present in the final product (Warfarin) and that is the more stable tautomer in this case. Why do you think the enol tautomer is more stable? Hint: consider the molecule as a whole.
Predict the major product of the reactions shown below. Do not forget to take into account regioselectivity and stereoselectivity of each reaction. If the reaction is an Aldol reaction, draw the condensation product. If thequestion has Retrosynthetic arrows, draw the one or two starting materials.
1. Each of the following compounds can be prepared by a mixed aldol condensation reaction. Give the structures of the aldehyde and/or ketone precursors for each aldol product shown. so
16. Draw the structure of the aldol self-condensation (followed by dehydration) product for each of the following compounds. If a compound does not undergo aldol self-condensation, explain why it does not. a) || CH3CHCH₂CH T CH₂ b)
Draw the structure of the major aldol product (prior to possible dehydration) of the following reaction. CH3 O CH3 dilute aqueous NaOH 0-5° CH3 H • You do not have to consider stereochemistry. • If no reaction occurs, draw the organic starting material. + Sn ? ChemDoodle

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3. Show how you would use an Aldol reaction to prepare the following compounds. b) a) о O