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The Full Picture: Stereoisomers of Disubstituted Cyclohexane Cyclohexane chair conformations are three-dimensional objects. When substitutions are present, such cyclohexane derivative may contain chirality centers. Some isomers favor one conformation, others are fluid and undergo rapid ring flip. All these considerations are important when determining whether a molecule is chiral or achiral; optically active, or not. Task 1. Draw all isomers of diethylcyclohexane (there are seven). 2. For each isomer draw the chair confirmation and its flipped conformer. Select the lowest en- ergy conformation. 3. Determine if the isomer is chiral or not chiral 4. For chiral isomers, explain if a sample of that isomer would be optically active or not.

The Full Picture: Stereoisomers of Disubstituted Cyclohexane Cyclohexane chair conformations are three-dimensional objects. When substitutions are present, such cyclohexane derivative may contain chirality centers. Some isomers favor one conformation, others are fluid and undergo rapid ring flip. All these considerations are important when determining whether a molecule is chiral or achiral; optically active, or not. Task 1. Draw all isomers of diethylcyclohexane (there are seven). 2. For each isomer draw the chair confirmation and its flipped conformer. Select the lowest en- ergy conformation. 3. Determine if the isomer is chiral or not chiral 4. For chiral isomers, explain if a sample of that isomer would be optically active or not.

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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**The Full Picture: Stereoisomers of Disubstituted Cyclohexane** Cyclohexane chair conformations are three-dimensional objects. When substitutions are present, such cyclohexane derivative may contain chirality centers. Some isomers favor one conformation, others are fluid and undergo rapid ring flip. All these considerations are important when determining whether a molecule is chiral or achiral; optically active, or not. **Task** 1. Draw all isomers of diethylcyclohexane (there are seven). 2. For each isomer draw the chair conformation and its flipped conformer. Select the lowest energy conformation. 3. Determine if the isomer is chiral or not chiral. 4. For chiral isomers, explain if a sample of that isomer would be optically active or not.
Transcribed Image Text:**The Full Picture: Stereoisomers of Disubstituted Cyclohexane** Cyclohexane chair conformations are three-dimensional objects. When substitutions are present, such cyclohexane derivative may contain chirality centers. Some isomers favor one conformation, others are fluid and undergo rapid ring flip. All these considerations are important when determining whether a molecule is chiral or achiral; optically active, or not. **Task** 1. Draw all isomers of diethylcyclohexane (there are seven). 2. For each isomer draw the chair conformation and its flipped conformer. Select the lowest energy conformation. 3. Determine if the isomer is chiral or not chiral. 4. For chiral isomers, explain if a sample of that isomer would be optically active or not.
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