ОН CH3 H H, HO H.

Draw both chair conformations of cis-1,2-dimethylcyclohexane. What is the H3C- C1-C2-CH3 dihedral angle (torsion angle) for both chair conformations? Which conformer is more stable?

Draw the two chair conformations for ethylcyclohexane. Which is more stable?

2. Circle the compound that would have the lowest energy at its most stable conformation and box the compound that would have the highest energy at its most stable conformation. 호호호호

Draw the alternative chair conformation of this compound. Of the two chair conformations, which is more stable?

1. Draw the chair conformers of each of the following cyclohexane. 2. which one is more stable in each one?

Which is more stable: cis- or trans-1-(1-ethylpropyl)-3-methylcyclohexane? Draw the most stable conformer for each of the molecules.

draw most stable chair conformation of trans-1-tert-buty-3-methylcyclohexane and most stable chair conformation of cis-1-tert-buty-3-methylcyclohexane？In what way make them different？

Draw tert-butylcyclohexane in a chair conformation. Draw the boat conformation and the chair conformation resulting from the chair flip. Label the most stable conformation. Indicate any diaxial interactions.

Consider 1,2-dimethylcyclohexane. a.Draw structures for the cis and trans isomers using a hexagon for the sixmembered ring. b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable? c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable? d.Which isomer, cis or trans, is more stable and why?