On a cyclohexane ring, an axial carboxyl group has a conformational energy of 5.9 kJ (1.4 kcal)/mol relative to an equatorial carboxyl group. Consider the equilibrium for the alternative chair conformations of trans-1,4-cyclohexanedicarboxylic acid. Draw the less stable chair conformation on the left of the equilibrium arrows and the more stable chair on the right. Calculate DG0 for the equilibrium as written and calculate the ratio of the more stable chair to the less stable chair at 25°C.
On a cyclohexane ring, an axial carboxyl group has a conformational energy of 5.9 kJ (1.4 kcal)/mol relative to an equatorial carboxyl group. Consider the equilibrium for the alternative chair conformations of trans-1,4-cyclohexanedicarboxylic acid. Draw the less stable chair conformation on the left of the equilibrium arrows and the more stable chair on the right. Calculate DG0 for the equilibrium as written and calculate the ratio of the more stable chair to the less stable chair at 25°C.
Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry
Section4.SE: Something Extra
Problem 61AP: Ketones react with alcohols to yield products called acetals. Why does the all-cis isomer of...
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On a cyclohexane ring, an axial carboxyl group has a conformational energy of 5.9 kJ (1.4 kcal)/mol relative to an equatorial carboxyl group. Consider the equilibrium for the alternative chair conformations of trans-1,4-cyclohexanedicarboxylic acid. Draw the less stable chair conformation on the left of the equilibrium arrows and the more stable chair on the right. Calculate DG0 for the equilibrium as written and calculate the ratio of the more stable chair to the less stable chair at 25°C.
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