Step 2. Draw the ester-containing intermediate produced from step 1, and draw the next reactant or reagent, if applicable. Add curved arrows and any necessary charges and nonbonding electrons. Drew C Dr Templates C 2 Mere tras Step 3. Draw the ester-containing intermediate produced from step 2, and draw the next reactant or reagent, il applicable. Add curved arrows and any necessary charges and nonbonding electrons. Templates More Q2Q
Step 2. Draw the ester-containing intermediate produced from step 1, and draw the next reactant or reagent, if applicable. Add curved arrows and any necessary charges and nonbonding electrons. Drew C Dr Templates C 2 Mere tras Step 3. Draw the ester-containing intermediate produced from step 2, and draw the next reactant or reagent, il applicable. Add curved arrows and any necessary charges and nonbonding electrons. Templates More Q2Q
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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Question
Transcribed Image Text:he Claisen condensation converts two molecules of an ester into a ß-keto ester. The reaction starts with the ester in an
koxide/alcohol solution and is worked up with acid to form the neutral ß-keto ester product.
ih
1. "OCH/CH₂/CH/CH,OH
2.HO
how the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal
harges and nonbonding electrons. In each step, draw only the species that react in that step. If an enolate resonance form is
ossible, draw only the carhanionic form. If a CH, group is being deprotonated, draw all H's on the reacting site. Tip: always
mit ethanol byproducts.
Step 1. Add curved arrows.
/
Draw
CH
Draw
Templates
Draw
•
Templates
11
II
Step 2. Draw the ester-containing intermediate produced from step 1, and draw the next reactant or reagent, il applicable.
Add curved arrows and any necessary charges and nonbonding electrons.
Templat
More
H
More
11
Step 3. Draw the ester-containing intermediate produced from step 2, and draw the next reactant or reagent, il applicable.
Add curved arrows and any necessary charges and nonbonding electrons.
20
More
Q2Q
Transcribed Image Text:Step 4. Draw the ester-containing intermediate produced from step 3, and draw the next reactant or reagent, if applicable.
Add curved arrows and any necessary charges and nonbonding electrons.
Select
Select
Draw
3
C
0
Draw
Templates
Step 5. Draw the ester-containing intermediate produced from step 4, and draw the final reagent, H₂O*. Add curved
arrows and any necessary charges and nonbonding electrons.
Templates
C H 0
More
More
Erase
The products from step 5 are given (ungraded).
Umesto
aaja
Erase
I
aza
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