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Determine the major product of the following reaction Na NH3

Determine the major product of the following reaction Na NH3

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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### Determine the Major Product of the Following Reaction In this problem, you are tasked with determining the major product of a given chemical reaction. The reactant consists of a cyclopentyl group attached to a triple bond (alkyne). The reaction conditions include the presence of sodium (Na) and liquid ammonia (NH₃). #### Reaction Details: - **Reactant:** Cyclopentyl group attached to an alkyne. - **Reagents:** Sodium (Na) and liquid ammonia (NH₃). Given these conditions, the reaction is likely a reduction of the alkyne to a trans-alkene. This type of reaction is known as the Birch reduction. The alkyne will be converted to a trans-alkene rather than a cis-alkene due to the nature of the reaction mechanism under these conditions. #### Expected Major Product: The major product will exhibit a trans-configuration where the carbon atoms previously involved in the triple bond now form a double bond, and each of these carbon atoms will have a hydrogen atom added (reduction). The structure can be depicted as follows: - **Reactant:** Cyclopentyl-ethyne. - **Major Product:** Trans-cyclopentyl-ethene. This product alignment influences the final molecular geometry and properties of the compound significantly, often stabilizing the structure further compared to other potential isomeric products.
Transcribed Image Text:### Determine the Major Product of the Following Reaction In this problem, you are tasked with determining the major product of a given chemical reaction. The reactant consists of a cyclopentyl group attached to a triple bond (alkyne). The reaction conditions include the presence of sodium (Na) and liquid ammonia (NH₃). #### Reaction Details: - **Reactant:** Cyclopentyl group attached to an alkyne. - **Reagents:** Sodium (Na) and liquid ammonia (NH₃). Given these conditions, the reaction is likely a reduction of the alkyne to a trans-alkene. This type of reaction is known as the Birch reduction. The alkyne will be converted to a trans-alkene rather than a cis-alkene due to the nature of the reaction mechanism under these conditions. #### Expected Major Product: The major product will exhibit a trans-configuration where the carbon atoms previously involved in the triple bond now form a double bond, and each of these carbon atoms will have a hydrogen atom added (reduction). The structure can be depicted as follows: - **Reactant:** Cyclopentyl-ethyne. - **Major Product:** Trans-cyclopentyl-ethene. This product alignment influences the final molecular geometry and properties of the compound significantly, often stabilizing the structure further compared to other potential isomeric products.
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