Br H3C CH3 Most Stable due to less steric as both group are in equatorial position and there will be no diaxial interactions. Less Stable due to more steric as both group are in axial position and there diaxial interactions. H ICH ICH3 CH Less Stable due to more steric as both group are in axial position and there diaxial interactions. Most Stable due to less steric as both group are in equatorial position and there will be no diaxial interactions
6. Draw both chair conformations of trans-1-bromo-2-methylcyclohexane. Circle the most stable conformation.
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.
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...
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?
3. a) Draw both chair conformations for the molecule shown below. (2pts) b) Circle the most stable conformation above. Give a brief explanation on why your choice is more stable. (2pts) b) Circle the most stable conformation above. Give a brief explanation on why your choice is more stable. (2pts) 3. a) Draw both chair conformations for the molecule shown below. (2pts) HO OH b) Circle the most stable conformation above. Give a brief explanation on why your choice is...
Draw the most stable conformation for; a. trans-1-chloro-3-methylcyclohexane b. cis-1-ethyl-2-isopropylcyclohexane c. trans-1-bromo-4-ethylcyclohexane d. cis-2-bromo-1-methylcycclohexane Sppecifically, show the ring flipping and calculate the strain using the table given in the power point slides.
1. Draw the chair conformation for the following molecules: 이 2. Draw the most stable conformation for the following molecules: a) cis-1-ethyl-3-methylcyclohexane b) trans-1-tert-butyl-4-ethylcyclohexane c) (1R,2R,4S) 2,4-dimethyl-1-isopropylcyclohexane
11. Draw, using chair conformations, the preferred conformations of each of the following. a. trans-1-bromo-4-propylcyclohexane b. cis-1-(1,1-dimethylethyl)-2-methylcyclohexane
For the following pairs of isomers draw both the chair conformations. Based on your chair conformations state which isomer will be more stable: Draw the most stable conformation looking down the C3-C4 bond of 4-bromo-3,6-dimethylhept-1- -3-ol in the Newman projection where C3 is the front carbon and C4 is the back carbon: Starting with the conformation you have drawing show the 5 other conformations representing 60 degree rotations of the BACK carbon in an anti-clockwise direction. For the six conformations...
Draw both chair conformations for each of the following compounds. In each case, identify the more stable chair conformation: (a) Methylcyclohexane (b) trans-1,2-Diisopropylcyclohexane (c) cis-1,3-Diisopropylcyclohexane (d) trans-1,4-Diisopropylcyclohexane
Which conformation represents the most stable conformation of trans-1-bromo-4-methylcyclohexane? Br JCH, Br CH, I II сн. III O av