What is the most stable chair conformation of the 4-methoxy-1,2-dimethylcyclohexane structure given below ? ### Stereochemistry and Cyclohexane Conformations: 4-Methoxy-1,2-DimethylcyclohexaneIn this educational segment, we will examine the stereochemistry and conformational analysis of a specific cyclohexane derivative, 4-methoxy-1,2-dimethylcyclohexane. Presented below is both the structural formula and four possible chair conformations of the molecule, labeled A, B, C, and D.#### Structural FormulaThe chemical structure of 4-methoxy-1,2-dimethylcyclohexane is shown at the top of the image. The core cyclohexane ring is substituted with the following groups:- At position 4: a methoxy group (OCH₃)- At positions 1 and 2: methyl groups (CH₃)The stereochemistry indicates that the substituents at positions 1 and 2 (two methyl groups) are in different stereochemical orientations, with one group in equatorial and the other in axial positions depending on the conformation.#### Chair ConformationsThe bottom portion of the image illustrates four different chair conformations (A, B, C, D) for 4-methoxy-1,2-dimethylcyclohexane:- **Conformation A:** In this conformation, the methoxy group is axial, and the two methyl groups at positions 1 and 2 are both equatorial.- **Conformation B:** Here, the methoxy group is axial, the methyl group at position 1 is equatorial, and the methyl group at position 2 is axial.- **Conformation C:** In this arrangement, the methoxy group is equatorial, the methyl group at position 1 is axial, and the methyl group at position 2 is equatorial.- **Conformation D:** The methoxy group is equatorial, and the two methyl groups at positions 1 and 2 are both axial.##### Graph AnalysisThe image does not contain specific graphs, but the conformations serve as visual aids to help understand the molecule's three-dimensional shape and steric interactions. By examining these conformations, one can determine the most stable arrangement of substituents on the cyclohexane ring. Typically, substituents prefer to be in equatorial positions to minimize 1,3-diaxial interactions, which are more sterically hindered.### Conclusion

Given: 4-methoxy-1,2-dimethylcyclohexane To find: Most stable chair conformation Solution:…

Answered: OCH3 "CH3 H3C…

Science

Chemistry

OCH3 "CH3 H3C 4-methoxy-1,2-dimethylcyclohexane OCH3 OCH3 H3C- H3C- OCH3 H3C- OCH3 H3C CH3 CH3 CH3 CH3 A В C

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter2: Alkanes And Cycloalkanes

Section: Chapter Questions

Problem 2.45P: Gibbs free energy differences between axial-substituted and equatorial-substituted chair...

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