For each of the following disubstituted cyclohexanes, indicate whether the substituents in the two chair conformers will be both equatorial in one chair conformer and both axial in the other (A) or one equatorial and one axial in each of the chair conformers (B): Drag the appropriate items to their respective bins.

For each of the following disubstituted cyclohexanes, indicate whether the substituents in the two chair conformers will be both equatorial in one chair conformer and both axial in the other (A) or one equatorial and one axial in each of the chair conformers (B): Drag the appropriate items to their respective bins.

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 12CTQ: Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth...

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Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth methyl groups in __________ positions and one with both methyl groups in ____________ positions.
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Draw the alternative chair conformations for the cis and trans isomers of 1,2-dimethylcyclohexane, 1,3- dimethylcyclohexane, and 1,4-dimethylcyclohexane. (a ) Indicate by a label whether each methyl group is axial or equatorial. (b) For which isomer(s) are the alternative chair conformations of equal stability? (c) For which isomer(s) is one chair conformation more stable than the other?
2)- Determine the total number of conformers of the tetra-substituted cyclohexane structure given below (L.e, Draw the chair conformers of A that are, 6-levels of stability from the most stable of A, the sixth most staat conformer ofA, 9-levels that is unstable from the most unstable of A, and 5-levels of insta from the most unstable of A and the conformers of A that is representative of B. Note, only a total of six structures should be written on your paper. Also, include hydrogen atoms wherever are substituents on all of your chair conformers. Note, a table listing is a requirement for this problerm Answer (Total # of Conformers of A): 6-Levels of stability from the most stable of A: The sixth most stable conformer of A: 9-Levels that is unstable from the most unstable of A 5-levels of instability from the most unstable of A 스 Conformers of A that is representative of B:
I don't understand why the first one and second one are cis and trans respectively. Wouldn't the first one be trans-1,2-dimethylcyclobutane because the torsional strain wouldn't allow the carbons to be in the same conformation. Meaning one of the carbons would be up and then the next would be down and so on. Since both methyl groups are equatorial and the first and second carbons are arranged up and down, wouldn't it be trans. Same logic for the second molecule. Carbon 1, which is attached to the methyl is down, carbon 3 which is attached to the methyl should be down also because of torsional strain, and since both methyl are in axial (or equatorial?), it would be cis. Or is it based off of the way the carbons are positioned in the picture?
Which conformation shown below is the most stable conformation of 2-methylbutane?
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