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2. (25 points) Draw the two chair conformations (in equilibrium) for (1R 3R)-1- butyl-3-ethylcyclohexane and determine...
2. (25 points) Draw the two chair conformations in equilibrium) for (1 R 3R)-1- butyl-3-ethylcyclohexane and...
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.
7. (13 points) For the compound 1-tert-butyl-4-methylcyclohexane: a. Draw the two possible chair conformations for the...
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 explain in detail . thank you in advance . 3. (a) Draw both chair conformations...
please explain in detail . thank you in advance .
3. (a) Draw both chair conformations for (1R,2R4S)-4-t-butyl-1-chloro-2-ethylcyclohexane. Label the B-carbons (as Br, B2, etc.) in each chair structure; include all hydrogens on the B-carbons. (2.5 pts) nC (1R,2R 4S)-4-t-butyl-1-chloro- 2-ethylcyclohexane (b) Draw a square around the chair conformation most likely to undergo an E2 reaction and explain your choice. (1 pt) (c) Draw the major organic product (including stereochemistry) of the E2 reaction between (1R,2R 4S)-4-t-butyl-1-chloro-2-ethylcyclohexane and sodium ethoxide...
10) a) Draw the most stable and least stable chair conformations of rms- l ethylcyclohexane. b)...
10) a) Draw the most stable and least stable chair conformations of rms- l ethylcyclohexane. b) Caleulate the energy of both structures. 11) Draw the most stable chair conformation of cis-1-ethyl-3-methyleyclohexane.
11. Build the chair and boat conformations and identify the most stable conformation. Identify the 1,3-diaxial inte...
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...
1. Draw the chair conformation for the following molecules: 이 2. Draw the most stable conformation...
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
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as...
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...
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the...
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...
Draw both chair conformations of (1R,2S)-2-chlorocyclohexaneamine. Clearly label the most stable conformation, and provide a brief...
Draw both chair conformations of (1R,2S)-2-chlorocyclohexaneamine. Clearly label the most stable conformation, and provide a brief explanation for your choice.
1. (a) Draw the two chair conformations for this molecule. (3 pts) (b) Label the more...
1. (a) Draw the two chair conformations for this molecule. (3 pts) (b) Label the more stable conformation (1 pt) 2. Provide (RS)-designations for the two starred (1) stereogenic centers (3 pts) 3. Use a Newman projection to draw the most stable conformation for the C(3)-C(4) bond in this molecule. (3 pts) OH 3-fluoro-3-methylpentan-1-ol
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.
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 explain in detail . thank you in advance .
3. (a) Draw both chair conformations for (1R,2R4S)-4-t-butyl-1-chloro-2-ethylcyclohexane. Label the B-carbons (as Br, B2, etc.) in each chair structure; include all hydrogens on the B-carbons. (2.5 pts) nC (1R,2R 4S)-4-t-butyl-1-chloro- 2-ethylcyclohexane (b) Draw a square around the chair conformation most likely to undergo an E2 reaction and explain your choice. (1 pt) (c) Draw the major organic product (including stereochemistry) of the E2 reaction between (1R,2R 4S)-4-t-butyl-1-chloro-2-ethylcyclohexane and sodium ethoxide...
10) a) Draw the most stable and least stable chair conformations of rms- l ethylcyclohexane. b) Caleulate the energy of both structures. 11) Draw the most stable chair conformation of cis-1-ethyl-3-methyleyclohexane.
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...
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
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...
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...
1. (a) Draw the two chair conformations for this molecule. (3 pts) (b) Label the more stable conformation (1 pt) 2. Provide (RS)-designations for the two starred (1) stereogenic centers (3 pts) 3. Use a Newman projection to draw the most stable conformation for the C(3)-C(4) bond in this molecule. (3 pts) OH 3-fluoro-3-methylpentan-1-ol
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