Homework Answers
In chair form large group always takes the equatorial position to minimise energy and become more stable. If large group in the axial position then interaction between axial group increases and become less stable.
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3. (16 points) For the following cyclohexane stereoisomers, draw all possible chair representations and rank them...
with explanation 1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial...
with explanation
1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial and equatorial positions on chair form of cyclohexane. 2) Draw chair, half-chair and boat conformations of ethyl cyclohexane and draw an energy diagram to explain their relative stability: 3) Draw two possible chair conformations for each of the mono-substituted cyclohexanes and determine their relative stability with proper explanation. OH 4) Draw two possible chair conformations for each of the di-substituted cyclohexanes and determine their...
1. Draw the lowest energy energy chair conformation 2. A few stereoisomers are shown, identify the...
1.
Draw the lowest energy energy chair conformation
2. A few stereoisomers are shown, identify the enantiomeric
pair.
3. Draw the lowest energy Newman projection when looking down
the two carbons indicted by the arrow.
raw est eneray chair conformation for helowing qyels heiane few stereoisomers are snoun e low, identif the enantiomeric pa 2. Urow the lowest energy Newinan prsjecton when lodking doun the twoCarbns ndicated by h or
1. Draw the most stable (lowest energy) chair conformation of the following molecule (5 points) 2....
1. Draw the most stable (lowest energy) chair conformation of the following molecule (5 points) 2. Draw the least stable (highest energy) chair conformation of the following molecule (5 points)
Disubstituted Cyclohexanes Chem 2511/2611 - Chapter 4 Draw both chair conformations for each cyclohexane molecule. 2....
Disubstituted Cyclohexanes Chem 2511/2611 - Chapter 4 Draw both chair conformations for each cyclohexane molecule. 2. On each chair conformation, label the methyl groups as axial/equatorial and upkdown. 3. Label the lowest energy contormation if there is one. Cis or Trans Cyclohexane Chair Conformations 2
predict the products which would be expected. if multiple stereoisomers are possible draw all of them....
predict the products which would be expected. if multiple
stereoisomers are possible draw all of them.
HCI
3. For 1,3-dimethoxycyclohexane: (i) determine how many asymmetric center and stereoisomers there...
3. For 1,3-dimethoxycyclohexane: (i) determine how many asymmetric center and stereoisomers there are? (ii) draw the highest and lowest energy conformation for each.i) determine which isomer has the lowest potential energy. (iv) number them and indicate which ones are enantiomeric, diastereomeric or meso.
3. For 1,3-dimethoxycyclohexane: (i) determine how many asymmetric center and stereoisomers there are? (ii) draw the highest and lowest energy conformation for each.i) determine which isomer has the lowest potential energy. (iv) number them and indicate which...
predict the product(s) which would be expected. if multiple stereoisomers are possible draw all of them....
predict the product(s) which would be expected. if multiple
stereoisomers are possible draw all of them.
Br Br Br Br 1) xs NaNH2 2 H₂O Br
I'm confused with the ring flip 3. (10 points) chair A. The cyclohexane ring depicted below...
I'm confused with the ring flip
3. (10 points) chair A. The cyclohexane ring depicted below undergoes a chair-flip to form CH3 H3C H3C CH3 chair lip CHa (a) Draw the missing substituents on chair A, clearly indicating whether they are in the axial or equatorial positions. (6 points) b) Are the bromide and hydroxyl groups cis or trans to each other? (2 points) (c) Is one chair conformation energetically more stable than the other? If so, indicate which chair...
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...
Draw all stereoisomers associated with 2-Bromo-3-methypentane. Draw the Fischer projections for all stereoisomers associated with 2-Bromo-3-methypentane....
Draw all stereoisomers associated with 2-Bromo-3-methypentane.
Draw the Fischer projections for all stereoisomers associated with
2-Bromo-3-methypentane. Clearly label all stereoisomers as either
enantiomers, diastereomers, or meso. Place the lowest priority
groups in two vertical positions in final display. SHOW ALL WORK
CLEARLY. Thank you!
with explanation
1) Draw a chair conformation of cyclohexane. Then, draw and level properly all axial and equatorial positions on chair form of cyclohexane. 2) Draw chair, half-chair and boat conformations of ethyl cyclohexane and draw an energy diagram to explain their relative stability: 3) Draw two possible chair conformations for each of the mono-substituted cyclohexanes and determine their relative stability with proper explanation. OH 4) Draw two possible chair conformations for each of the di-substituted cyclohexanes and determine their...
1.
Draw the lowest energy energy chair conformation
2. A few stereoisomers are shown, identify the enantiomeric
pair.
3. Draw the lowest energy Newman projection when looking down
the two carbons indicted by the arrow.
raw est eneray chair conformation for helowing qyels heiane few stereoisomers are snoun e low, identif the enantiomeric pa 2. Urow the lowest energy Newinan prsjecton when lodking doun the twoCarbns ndicated by h or
1. Draw the most stable (lowest energy) chair conformation of the following molecule (5 points) 2. Draw the least stable (highest energy) chair conformation of the following molecule (5 points)
Disubstituted Cyclohexanes Chem 2511/2611 - Chapter 4 Draw both chair conformations for each cyclohexane molecule. 2. On each chair conformation, label the methyl groups as axial/equatorial and upkdown. 3. Label the lowest energy contormation if there is one. Cis or Trans Cyclohexane Chair Conformations 2
predict the products which would be expected. if multiple
stereoisomers are possible draw all of them.
HCI
3. For 1,3-dimethoxycyclohexane: (i) determine how many asymmetric center and stereoisomers there are? (ii) draw the highest and lowest energy conformation for each.i) determine which isomer has the lowest potential energy. (iv) number them and indicate which ones are enantiomeric, diastereomeric or meso.
3. For 1,3-dimethoxycyclohexane: (i) determine how many asymmetric center and stereoisomers there are? (ii) draw the highest and lowest energy conformation for each.i) determine which isomer has the lowest potential energy. (iv) number them and indicate which...
predict the product(s) which would be expected. if multiple
stereoisomers are possible draw all of them.
Br Br Br Br 1) xs NaNH2 2 H₂O Br
I'm confused with the ring flip
3. (10 points) chair A. The cyclohexane ring depicted below undergoes a chair-flip to form CH3 H3C H3C CH3 chair lip CHa (a) Draw the missing substituents on chair A, clearly indicating whether they are in the axial or equatorial positions. (6 points) b) Are the bromide and hydroxyl groups cis or trans to each other? (2 points) (c) Is one chair conformation energetically more stable than the other? If so, indicate which chair...
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...
Draw all stereoisomers associated with 2-Bromo-3-methypentane.
Draw the Fischer projections for all stereoisomers associated with
2-Bromo-3-methypentane. Clearly label all stereoisomers as either
enantiomers, diastereomers, or meso. Place the lowest priority
groups in two vertical positions in final display. SHOW ALL WORK
CLEARLY. Thank you!
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