XIX. Draw the ring flip for compound A and label compound B. Calculate and compare the energies of the two conformers (A and B respectively), knowing that a methyl-methyl gauche interaction is 3.8 kJ/mol, the H-CH3 diaxial interaction is 3.75 kJ/mol and the CH3 - CH3 diaxial interaction is 15 kJ/mol. Which isomer is more stable? H3C 5 6 Iz 2 CH3 4 CH3 A CH3 B

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
Section2.6: Cis,trans Isomerism In Cycloalkanes And Bicycloalkanes
Problem 2.13P: Following is a planar hexagon representation for one isomer of 1,2,4-trimethylcyclohexane. Draw the...
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XIX.
Draw the ring flip for compound A and label compound B. Calculate and compare the energies of
the two conformers (A and B respectively), knowing that a methyl-methyl gauche interaction is
3.8 kJ/mol, the H-CH3 diaxial interaction is 3.75 kJ/mol and the CH3 - CH3 diaxial interaction is
15 kJ/mol. Which isomer is more stable?
4
H3C
5
CH3
A
6
2 CH3
CH3
B
Transcribed Image Text:XIX. Draw the ring flip for compound A and label compound B. Calculate and compare the energies of the two conformers (A and B respectively), knowing that a methyl-methyl gauche interaction is 3.8 kJ/mol, the H-CH3 diaxial interaction is 3.75 kJ/mol and the CH3 - CH3 diaxial interaction is 15 kJ/mol. Which isomer is more stable? 4 H3C 5 CH3 A 6 2 CH3 CH3 B
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