7. Draw and label both cis and trans isomers of 1-ethyl-4-methylcyclohexane. (10 pt) a. For each...
4 4. (a) Draw the structure of the two chair forms of methylcyclohexane. Draw in all bonds (even the C-H bonds). Be sure the axial and equatorial bonds are shown correctly. On the appropriate structure, indicate the 1,3-diaxial interactions involving the methyl group. (b) Which is more stable, trans-1,3-dimethylcyclohexane or cis-1,3-dimethylcyclohexane? Why? 5. Draw the Newman projections for the anti conformation and two types of eclipsed conformations of 1,2-diiodoethane. Of the two eclipsed conformations, which is of higher energy, and...
1. Now construct cis-1,2-dimethylcyclohexane in the chair conformation and draw it. Perform the ring flip and draw that conformation. Which of the two conformations is preferred? This compound is meso, find the conformation that accounts for this? 2. Construct and draw trans-1-ethyl-2-methylcyclohexane in the chair conformation. Perform the ring flip and draw that conformation. Which conformation is preferred/most stable? Why? Construct and draw the cis isomer in the most stable chair conformation. Perform the ring flip and draw that conformation....
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
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?
Please answer in detail 4. (a) Draw the structure of the two chair forms of methylcyclohexane. Draw in all bonds (even the C-H bonds). Be sure the axial and equatorial bonds are shown correctly. On the appropriate structure, indicate the 1,3-diaxial interactions involving the methyl group. (b) Which is more stable, trans-1,3-dimethylcyclohexane or cis-1,3-dimethylcyclohexane? Why?
(a) Draw the structure of the two chair forms of methylcyclohexane. Draw in all bonds (even the C-H bonds). Be sure the axial and equatorial bonds are shown correctly. On the appropriate structure, indicate the 1,3-diaxial interactions involving the methyl group. (b) Which is more stable, trans-1,3-dimethylcyclohexane or cis-1,3-dimethylcyclohexane? Why?
(a) Draw the structure of the two chair forms of methylcyclohexane. Draw in all bonds (even the C-H bonds). Be sure the axial and equatorial bonds are shown correctly. On the appropriate structure, indicate the 1,3-diaxial interactions involving the methyl group. (b) Which is more stable, trans-1,3-dimethylcyclohexane or cis-1,3-dimethylcyclohexane? Why?
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.
Draw the two chair conformations of each compound and label the substituents as axial and equatorial. In each case, determine which conformation is more stable. a. trans-1-ethyl-2-isopropylcyclohexane b. trans-1-ethyl-3-methylcyclohexane C. Cis-1-ethyl-4-methylcyclohexane d. cis-1-ethyl-3-methylcyclohexane
This question concerns the cis and trans isomers of 1-ethyl-4-11-methylethylcyclohexane. The question consists of three parts. Each part is graded independently and worth 0.2875 pts Part 1. Out of the following structures, lease enter the single character that identifie ur choice represents the most stable conformation of cis-1-ethyl-4-(1-methylethyl cyclohexane. A. B. C. D. X E. F. G. H. 1. K. M. N. 0. P. Part 2. Out of the following structures, please enter the single character that identifies your choice...