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exam prep IV. Please draw the Fisher projection for each of the following molecules and determine the absolute confi...
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
Write the two chair conformations of each of the following and in each part designate which...
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.
4. Draw the most stable and most unstable Newman Projection for the following molecules using the...
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
please help me. Draw a Fisher projection for X and assign the absolute configuration for the...
please help me. Draw a Fisher projection for X and
assign the absolute configuration for the stereogenic center.then
draw a skeletal structure of the enantiomer of X
Br transpose manipulate Br СІ Configuration (circle one): R S Enantiomer:
1. Draw a chair conformation of cis-1-tert-butyl-2-ethyleyclohexane. Then, ring flip the chair to generate the other...
1. Draw a chair conformation of cis-1-tert-butyl-2-ethyleyclohexane. Then, ring flip the chair to generate the other chair conformation, Circle the most stable conformation of the molecule (8 pts). 2. Designate the RIS configuration of all the stereocenters in the following molecules (8 pts): OH HO+CH3 H oH CHCI 3. Identify the relationship between the following molecules as: identical, constitutional isomers. enantiomers, or diastereomers (8 pts). enantiomers. e home enantiomers diastereomers. ó Tenantiomers. I Ć dias tereomers. MAC mome of the...
in the following molecules identify the chiral atom(s) if any: CI CH Br i. HOOC iv....
in the following molecules identify the chiral atom(s) if any: CI CH Br i. HOOC iv. CHCIF-CF O-CF2H 5b.6pts. Draw the following structures and label any chirality centers a. 2,4-dimethyl heptane b. 1,3-dichlorocyclohexane 5e.3pts. Draw an alcohol which is chiral and has four carbons. 5d. 4pts. convert the following structure to Fisher projection CH3 Cl
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...
Chem 241 Chapter 3 -Class Praetice 2 Draw the 2 chair conformations of the following, label...
Chem 241 Chapter 3 -Class Praetice 2 Draw the 2 chair conformations of the following, label the substituents as axial or equatorial Determine which conformation between the 2 is more stable. cis-1-ethyl-3-isopropylcyclohexane trans-1-isopropyl-2-methyleyclohexane trans-1-methyl-2-isopropylcyclohexane cis-1-ethyl-4-methylcyclohexane Among the following, which respresent the same compound? Which represent different compounds? CH3 H3C HyC CHs H. CH3
13) Draw the Newman projection of all of the staggered conformations of 1-bromo-2-chloroethe and circle the...
13) Draw the Newman projection of all of the staggered conformations of 1-bromo-2-chloroethe and circle the most stable structure(s). Label all of the structures as to whether the bromine chlorine interaction is gauche or anti. 14) Draw the two chair conformations of cis-4-tert-butylcyclohexanol, Circle the one that is the most stable. 15) How many chirality centers are in the following molecule? Mark them all with an asterisk. он он WOH он он 16) What is the relationship between the following...
Please correct answer each questions before submit.thank you Which of the following molecules are chiral? L...
Please correct answer each questions before submit.thank
you
Which of the following molecules are chiral? L cis-1 Bromo-1-methylcyclohexane ill trans-1-Bromo 3 methylcyclohexane M.ais-1-Bromo-3-methylcyclohexane C. I, M D. lll, IV 12. What is the major product of this reaction? NaoCH2CH3 (A) CH3 CH2CH3 CH3 CH3 CH3
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
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
please help me. Draw a Fisher projection for X and
assign the absolute configuration for the stereogenic center.then
draw a skeletal structure of the enantiomer of X
Br transpose manipulate Br СІ Configuration (circle one): R S Enantiomer:
1. Draw a chair conformation of cis-1-tert-butyl-2-ethyleyclohexane. Then, ring flip the chair to generate the other chair conformation, Circle the most stable conformation of the molecule (8 pts). 2. Designate the RIS configuration of all the stereocenters in the following molecules (8 pts): OH HO+CH3 H oH CHCI 3. Identify the relationship between the following molecules as: identical, constitutional isomers. enantiomers, or diastereomers (8 pts). enantiomers. e home enantiomers diastereomers. ó Tenantiomers. I Ć dias tereomers. MAC mome of the...
in the following molecules identify the chiral atom(s) if any: CI CH Br i. HOOC iv. CHCIF-CF O-CF2H 5b.6pts. Draw the following structures and label any chirality centers a. 2,4-dimethyl heptane b. 1,3-dichlorocyclohexane 5e.3pts. Draw an alcohol which is chiral and has four carbons. 5d. 4pts. convert the following structure to Fisher projection CH3 Cl
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...
Chem 241 Chapter 3 -Class Praetice 2 Draw the 2 chair conformations of the following, label the substituents as axial or equatorial Determine which conformation between the 2 is more stable. cis-1-ethyl-3-isopropylcyclohexane trans-1-isopropyl-2-methyleyclohexane trans-1-methyl-2-isopropylcyclohexane cis-1-ethyl-4-methylcyclohexane Among the following, which respresent the same compound? Which represent different compounds? CH3 H3C HyC CHs H. CH3
13) Draw the Newman projection of all of the staggered conformations of 1-bromo-2-chloroethe and circle the most stable structure(s). Label all of the structures as to whether the bromine chlorine interaction is gauche or anti. 14) Draw the two chair conformations of cis-4-tert-butylcyclohexanol, Circle the one that is the most stable. 15) How many chirality centers are in the following molecule? Mark them all with an asterisk. он он WOH он он 16) What is the relationship between the following...
Please correct answer each questions before submit.thank
you
Which of the following molecules are chiral? L cis-1 Bromo-1-methylcyclohexane ill trans-1-Bromo 3 methylcyclohexane M.ais-1-Bromo-3-methylcyclohexane C. I, M D. lll, IV 12. What is the major product of this reaction? NaoCH2CH3 (A) CH3 CH2CH3 CH3 CH3 CH3
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