The Claisen condensation converts two molecules of an ester into a B-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid to form the neutral B-keto ester product. 1. "OCH,CH3/ CH3CH2OH 2. H3O* Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal charges and nonbonding electrons. In each step, draw only the species that react in that step. If an enolate resonance form is possible, draw only the carbanionic form. If a CHx group is being deprotonated, draw all H's on the reacting site. Tip: always omit ethanol byproducts. Step 1c: Draw the structure(s) resulting from the curved arrow mechanism of step 1. Include formal charges and all hydrogen atoms, but do not include lone pairs. Draw the structure(s) indicated by the curved-arrow mechanism. H,C CH3 H,C CH, Incorrect
The Claisen condensation converts two molecules of an ester into a B-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid to form the neutral B-keto ester product. 1. "OCH,CH3/ CH3CH2OH 2. H3O* Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal charges and nonbonding electrons. In each step, draw only the species that react in that step. If an enolate resonance form is possible, draw only the carbanionic form. If a CHx group is being deprotonated, draw all H's on the reacting site. Tip: always omit ethanol byproducts. Step 1c: Draw the structure(s) resulting from the curved arrow mechanism of step 1. Include formal charges and all hydrogen atoms, but do not include lone pairs. Draw the structure(s) indicated by the curved-arrow mechanism. H,C CH3 H,C CH, Incorrect
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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Step 1c: Draw the structure(s) resulting from the curved arrow mechanism of step 1. Include formal charges and all hydrogen atoms, but do not include lone pairs.
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