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Question 1: draw the curved arrow mechanism for the diels alder cycloadditions shown below (step 1). explain the diastereoselectivith observed in each case based on the endo transition states.

Question 1: draw the curved arrow mechanism for the diels alder cycloadditions shown below (step 1). explain the diastereoselectivith observed in each case based on the endo transition states.

Chemistry
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 1: draw the curved arrow mechanism for the diels alder cycloadditions shown below (step 1). explain the diastereoselectivith observed in each case based on the endo transition states.

Question 1: Draw the curved arrow mechanism for the Diels-Alder cycloadditions shown below (step 1). These reactions are catalyzed by a Lewis acid which enable the cycloadditions to take place at relatively low temperature for a better stereocontrol. Explain the diastereoselectivity observed in each case based on the endo transition states. Question 2: For the synthesis of georgywood, provide the intermediates and product A after two steps. (from Chapter 13) Examples of endo-Diels-Alder cycloadditions CHO EYCHO te Lewis acid step 1 усно Lewis acid step 1 Xs² **** Georgywood 15 pg/liter first step towards E Super Plus(R) ro steps 2-3 MeAlCl₂ step 4 ****** A H 2. MeMgBr 3. swern oxidation
Transcribed Image Text:Question 1: Draw the curved arrow mechanism for the Diels-Alder cycloadditions shown below (step 1). These reactions are catalyzed by a Lewis acid which enable the cycloadditions to take place at relatively low temperature for a better stereocontrol. Explain the diastereoselectivity observed in each case based on the endo transition states. Question 2: For the synthesis of georgywood, provide the intermediates and product A after two steps. (from Chapter 13) Examples of endo-Diels-Alder cycloadditions CHO EYCHO te Lewis acid step 1 усно Lewis acid step 1 Xs² **** Georgywood 15 pg/liter first step towards E Super Plus(R) ro steps 2-3 MeAlCl₂ step 4 ****** A H 2. MeMgBr 3. swern oxidation
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