2. Please rank the following dienophiles in their rate of reaction with the same diene in a Diels-Alder reaction (i.e. 1= fastest or most reactive dienophile, 4 = slowest or least reactive dienophile). Put your answer on the line below each structure. 3. Please rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction (i.e. 1= fastest or most reactive diene, 4 = slowest or least reactive diene). Put your answer on the line below each structure. OMe OMe OMe |

2. Please rank the following dienophiles in their rate of reaction with the same diene in a Diels-Alder reaction (i.e. 1= fastest or most reactive dienophile, 4 = slowest or least reactive dienophile). Put your answer on the line below each structure. 3. Please rank the following dienes in their rate of reaction with the same dienophile in a Diels-Alder reaction (i.e. 1= fastest or most reactive diene, 4 = slowest or least reactive diene). Put your answer on the line below each structure. OMe OMe OMe |

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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The reaction shown below yields a mixture of two Diels-Alder adducts. In the box below draw the structure of both products. dain Products
4.- Predict the product for each Diels-Alder reaction. Indicate stereochemistry where appropriate. स a) b) H3C, H3C + H3C CHO A ent 10 150 COOH + ·E· <- c) COOH BAS 5.- Retro Diels-Alder: show a combination of diene and dienophile that would result in each Diels-Alder adduct.
3. Using the carbon sources provided and any other necessary reagents needed, propose a viable synthesis for the product shown. Your synthesis must include a Diels-Alder reaction. For each step in your synthesis be sure to show the reagents/conditions necessary for that step and also draw the major product expected for each step leading to the product. You will also need to use reactions discussed in previous chapters as well. Carbon Sources Available H₂C=CH2 steps CH₂Br
Draw the structure(s) of the product(s) of the following Diels-Alder reaction. Stereochemistry must be shown, and make sure to draw explicit hydrogens around all stereocenters.
15. Label the following transition state with the applicable following items (not all labels will apply) i. HOMO of the diene LUMO of the diene HOMO of the dienophile LUMO of the dienophile v. Constructive overlap vi. Destructive overlap II. III. iv. /H₂SQ? +
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6. Predict the product of the Diels-Alder reaction of each compound with cyclopentadiene (not shown). You do not have to consider stereochemistry. Bicyclic templates are shown to the right. H₂C CI CH