5) Draw the two chair conformations (using stick drawings) for trans-3-tert-butyl-1- isopropylcyclohexane. (10 pts) 6) Draw...
7. (13 points) For the compound 1-tert-butyl-4-methylcyclohexane: a. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one b. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one trans: C. Between the two more stable isomers circled above, which is more stable? Why?
For trans-1-ethyl-4-isopropylcyclohexane, which two chair conformations are in equilibrium?
How would you draw the most stable conformation of trans-1-tert-butyl-4-isopropylcyclohexane? Axial tert-butyl group on C-1, Axial isopropyl group on C-4 Axial tert-butyl group on C-1, Equatorial isopropyl group on C-4 Equatorial tert-butyl group on C-1, Axial isopropyl group on C-4 Equatorial tert-butyl group on C-1, Equatorial isopropyl group on C-4 Choices b and c are both correct Choices a and d are both correct تسليم الجواب Tries 0/1 How would you draw the most stable conformation of trans-1,3-cyclohexanediol? Axial hydroxyl...
Consider the four isomers of 1-ethyl-4-isopropylcyclohexane in a chair conformation. Which two chair conformations represent the trans isomers in equilibrium?
11. Build the chair and boat conformations and identify the most stable conformation. Identify the 1,3-diaxial interactions. 12. Draw the most stable conformation of (a) ethylcyclohexane (b) 3-isopropyl-1,1-dimethylcyclohexane (c) cis-1-tert-butyl-4-isopropylcyclohexane 13. Draw all possible conformations of 1,4-dimethylcyclohexane and identify the most stable conformation 14. (a) Draw both chair conformations of cis-1,2-dimethylcyclohexane, and determine which conformer is more stable. (b) Repeat for the trans isomer. (c) Predict which isomer (cis or trans) is more stable. 15. (a) Draw both chair conformations...
Write the two chair conformations of each of the following and in each part designate which conformation would be the more stable: a) cis-1-tert-butyl-3-methylcyclohexane, b) trans-1-tert-butyl-3-methylcyclohexane, c) trans-1-tert-butyl-4-methylcyclohexane, d) cis-1-tert-butyl-4-methylcyclohexane.
2. (25 points) Draw the two chair conformations in equilibrium) for (1 R 3R)-1- butyl-3-ethylcyclohexane and determine the more stable conformation. 2. (25 points) Draw the two chair conformations (in equilibrium) for (1 R 3R)-1- butyl-3-ethylcyclohexane and determine the more stable conformation.
1. Draw (1S,3S)-3-aminocyclohexanecarbonitrile structure below: 2. Draw the two chair conformations of the above disubstituted cyclohexane compound, before and after ring-flip. 3. Draw the Newman projections of both chair conformations about the C1−C6 and C3−C4 bonds. 4. Which conformation is the least stable one? Briefly explain your answer with words AND by showing it on the appropriate Newman projection.
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the corresponding Newman projection (4 pts) 7. Convert the following compounds from their 3D structure to their Fisher projection and vice-versa (4 pts) НО Br HO co₂me HN CI CO2Me НО -СІ НЕОН СН2ОН 5| Page 8. The specific rotation for (R)-methyl 2-chloro-2,3-dihydroxypropanoate is -126.7. A student prepare a sample of methyl 2-chloro-2,3-dihydroxypropanoate enantiomers that shows a specific rotation of +89.6, (a) Calculate the percent...
5. Draw the two chair conformations for trans-1-ethyl-3-methylcyclohexane. Label substituents as to whether they are in an axial or equatorial position. Circle the most stable conformation.