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Macmillan Learning © Classify which dienes will react with ethene in a Diels-Alder reaction. Will react Answer Bank Will not react

Macmillan Learning © Classify which dienes will react with ethene in a Diels-Alder reaction. Will react Answer Bank Will not react

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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### Classify Dienes That Will React with Ethene in a Diels-Alder Reaction #### Instructions Select which dienes from the answer bank will react with ethene in a Diels-Alder reaction and classify them under the appropriate category. #### Categories - **Will react** - **Will not react** #### Answer Bank The answer bank includes six chemical structures. Detailed descriptions of the structures are as follows: 1. **First Structure**: - It is a bicyclic compound with two hexagonal rings fused together. 2. **Second Structure**: - Contains two butadiene units. - The structure has a long carbon chain with alternating double bonds. - This is an aromatic compound with five carbon atoms and one double bond. 3. **Third Structure**: - It is a cyclic compound with a pentagon ring and one double bond. 4. **Fourth Structure**: - It is a pentagon ring with two double bonds. #### Graphical Representation - Two empty boxes labeled "Will react" and "Will not react" are provided. - Students need to drag each structure from the answer bank into the appropriate box based on whether they will react with ethene in a Diels-Alder reaction. #### Educational Note The Diels-Alder reaction is a chemical reaction between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene system. It is a useful reaction for forming six-membered rings and is used in synthetic organic chemistry for constructing complex natural products. #### Analyze the Structures - For a compound to react in a Diels-Alder reaction with ethene, it must contain a diene which is in the correct s-cis conformation. - Check each structure: - Is there a conjugated diene present? - Is the diene able to adopt the s-cis conformation? Use this information to classify the dienes under the appropriate categories.
Transcribed Image Text:### Classify Dienes That Will React with Ethene in a Diels-Alder Reaction #### Instructions Select which dienes from the answer bank will react with ethene in a Diels-Alder reaction and classify them under the appropriate category. #### Categories - **Will react** - **Will not react** #### Answer Bank The answer bank includes six chemical structures. Detailed descriptions of the structures are as follows: 1. **First Structure**: - It is a bicyclic compound with two hexagonal rings fused together. 2. **Second Structure**: - Contains two butadiene units. - The structure has a long carbon chain with alternating double bonds. - This is an aromatic compound with five carbon atoms and one double bond. 3. **Third Structure**: - It is a cyclic compound with a pentagon ring and one double bond. 4. **Fourth Structure**: - It is a pentagon ring with two double bonds. #### Graphical Representation - Two empty boxes labeled "Will react" and "Will not react" are provided. - Students need to drag each structure from the answer bank into the appropriate box based on whether they will react with ethene in a Diels-Alder reaction. #### Educational Note The Diels-Alder reaction is a chemical reaction between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene system. It is a useful reaction for forming six-membered rings and is used in synthetic organic chemistry for constructing complex natural products. #### Analyze the Structures - For a compound to react in a Diels-Alder reaction with ethene, it must contain a diene which is in the correct s-cis conformation. - Check each structure: - Is there a conjugated diene present? - Is the diene able to adopt the s-cis conformation? Use this information to classify the dienes under the appropriate categories.
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