[Review Topics)Draw the structure(s) of the major organic product(s) of the following reaction.H₂ONaOH. If no reaction occurs, draw the organic starting material.•Draw enolates in their carbanion form.Include counter-ions, e.g., Na+, I, in your submission, but draw them in their owFor multi-step processes, draw the product(s) of the last step.F3888888888

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Answered: [Review Topics) Draw the structure(s)…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter26: Aldol And Claisen Reactions

Section: Chapter Questions

Problem 39CTQ

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Draw the structure(s) of the major organic product(s) of the following reaction. H THF/-78° (CH3)3Si `Si(CH3)3 50 If no reaction occurs, draw the organic starting material. • Draw enolates in their carbanion form. • Include counter-ions, e.g., Na*, I, in your submission, but draw them in their own separate sketcher. • For multi-step processes, draw the product(s) of the last step. ChemDoodle n [ >
Draw the structure(s) of the major organic product(s) of the following reaction. + THF -78° 56 If no reaction occurs, draw the organic starting material. • Draw enolates in their carbanion form. • Include counter-ions, e.g., Na*, I, in your submission, but draw them in their own separate sketcher. • For multi-step processes, draw the product(s) of the last step.
req M eq eq [Review Topics] [References] The compound shown below is the product of a Claisen condensation. Draw structural formulas for the reactants: ester and enolate ion. 0 • Assume all esters to be ethyl esters. • Do not include counter-ions, e.g., Na, I, in your answer. • Draw the enolate ion in its carbanion form. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop-down menu. Submit Answer ChemDoodle Retry Entire Group O- Sn [F 2 more group attempts remaining
Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the structure of the missing reactants, intermediates, or products in the following mechanism. Include all lone pairs. Ignore stereochemistry. Ignore inorganic byproducts. H. BH₂ BH₂ THF . Draw Major Borane Intermediate H2O2, NaOH Draw Major Product
Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. ОН You do not have to consider stereochemistry. • Draw the enolate nucleophile in its carbanion form. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop-down menu.
Choose the reagent(s) that would be most likely to complete this reaction. I||| / A B C D 1. BH3-THF 2. H2O2, NaOH Br₂ H₂O OsO4 (catalytic) NMO RCO3H Done
Be sure to answer all parts. Synthesize the following compound from cyclohexanol, ethanol, and any other needed reagents. он Part 1 out of 2 Preparation of organometallic reagent: B CH3CH2OH CH3CH2MGB. draw structure... Draw the intermediate product above and select the correct reagent for A. NaBr O MgBr2 Br2 HBr Select the correct reagent for B. O Mgo O Mgl, O Mg O MgBr2 Next part
Draw the structure of the major organic product of the following reaction. Predict whether the product will be an aldol or an enone. CH3 CH3 NH ? 95% aq. ethanol, 25⁰ You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • If no reaction occurs, draw the organic starting material.
Draw structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol or enone below. & • You do not have to consider stereochemistry. ● Draw the enolate ion in its carbanion form. ● Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop-down menu. / MILL ? ChemDoodle Ⓡ Y
Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below. OH H You do not have to consider stereochemistry. • Draw the enolate nucleophile in its carbanion form. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple reactants using the sign from the drop-down menu. ? ChemDoodle Sn [F
From the two synthetic routes shown below which one would be the best route for the desired product. Explain your reasoning and draw the stepwise reaction mechanism for both pathways to support your answer. 1. NABH, 2. H,o* 1. NaH 2. H,0*
f. Additional Questions: 1) For each reaction - identify the nucleophile and electrophile, the type of mechanism (e.g. SN1, E2, etc.) and draw the major product(s) a. e. OK OH -OK d. CH³CH₂OH + HBr → OTS OH x Br NaOH 1) PBr3 Br 2) KCI/ acetone 6

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