Organic And Biological Chemistry
Organic And Biological Chemistry
7th Edition
ISBN: 9781305081079
Author: STOKER, H. Stephen (howard Stephen)
Publisher: Cengage Learning,
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Chapter 3, Problem 3.27EP

(a)

Interpretation Introduction

Interpretation:

The IUPAC name for the alcohol has to be assigned.

Concept Introduction:

IUPAC rules for naming alcohols that contain single hydroxyl group:

  • • Longest carbon chain has to be identified that contains hydroxyl group also.  The chain name is obtained by replacing the letter “-e” in alkane with “-ol”.  If the compound contains a unsaturated bond, then the respective name has to be changed with regard to alkane.
  • • The numbering has to be given so that the hydroxyl group gets the least numbering.
  • • Name and location of any other substituent present in the chain has to be identified.
  • • If in a ring the hydroxyl group is present, then that carbon is numbered 1 and the numbering then proceeds counterclockwise or clockwise in a way that substituents present if any gets the least numbering.
  • • Hydroxyl group as a substituent in a molecule is named as hydroxy group rather than hydroxyl group.
  • • If the compound contains bulky groups on same side of the double bond, then it is a cis isomer and if the bulkyl groups are present on opposite side of the double bond, then it is a trans isomer.
  • • In case of cycloalkane compounds, if the substitutions are present on same side of the ring of carbon atoms, it is a cis isomer.  If the substitutions are present above and below the ring, then it is a trans isomer.

IUPAC rules for naming alcohols that contain more than one hydroxyl group:

  • • The same rules said above is followed but the prefix di-, tri-, tetra etc is added corresponding to the number of hydroxyl groups that is present.

(a)

Expert Solution
Check Mark

Answer to Problem 3.27EP

The IUPAC name of the given alcohol is trans-2-buten-1-ol.

Explanation of Solution

Given structure of alcohol is,

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 1

The longest carbon chain in the above structure with the hydroxyl group is found to be a four carbon chain.  Hence, the parent alkane is butane.  As there is a double bond present in the carbon chain, the name is converted as butene.  The hydroxyl group is found to be present on first carbon atom.  Therefore, the name of the given alcohol can be given as 2-buten-1-ol.

Looking for the stereochemistry, the given structure has bulky group on opposite side of the double bond and hence this is a trans isomer.  This has to be included in the IUPAC name.  Therefore, IUPAC name of the given compound is trans-2-buten-1-ol.

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 2

Conclusion

IUPAC name for the given alcohol is trans-2-buten-1-ol.

(b)

Interpretation Introduction

Interpretation:

The IUPAC name for the alcohol has to be assigned.

Concept Introduction:

IUPAC rules for naming alcohols that contain single hydroxyl group:

  • • Longest carbon chain has to be identified that contains hydroxyl group also.  The chain name is obtained by replacing the letter “-e” in alkane with “-ol”.  If the compound contains a unsaturated bond, then the respective name has to be changed with regard to alkane.
  • • The numbering has to be given so that the hydroxyl group gets the least numbering.
  • • Name and location of any other substituent present in the chain has to be identified.
  • • If in a ring the hydroxyl group is present, then that carbon is numbered 1 and the numbering then proceeds counterclockwise or clockwise in a way that substituents present if any gets the least numbering.
  • • Hydroxyl group as a substituent in a molecule is named as hydroxy group rather than hydroxyl group.
  • • If the compound contains bulky groups on same side of the double bond, then it is a cis isomer and if the bulkyl groups are present on opposite side of the double bond, then it is a trans isomer.
  • • In case of cycloalkane compounds, if the substitutions are present on same side of the ring of carbon atoms, it is a cis isomer.  If the substitutions are present above and below the ring, then it is a trans isomer.

IUPAC rules for naming alcohols that contain more than one hydroxyl group:

  • • The same rules said above is followed but the prefix di-, tri-, tetra etc is added corresponding to the number of hydroxyl groups that is present.

(b)

Expert Solution
Check Mark

Answer to Problem 3.27EP

The IUPAC name of the given alcohol is cis-3-penten-1-ol.

Explanation of Solution

Given structure of alcohol is,

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 3

The longest carbon chain in the above structure with the hydroxyl group is found to be a five carbon chain.  Hence, the parent alkane is pentane.  As there is a double bond present in the carbon chain, the name is converted as pentene.  The hydroxyl group is found to be present on first carbon atom and the double bond between third and fourth carbon atom.  Therefore, the name of the given alcohol can be given as 3-penten-1-ol.

Looking for the stereochemistry, the given structure has bulky group on same side of the double bond and hence this is a cis isomer.  This has to be included in the IUPAC name.  Therefore, IUPAC name of the given compound is cis-3-penten-1-ol.

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 4

Conclusion

IUPAC name for the given alcohol is cis-3-penten-1-ol.

(c)

Interpretation Introduction

Interpretation:

The IUPAC name for the alcohol has to be assigned.

Concept Introduction:

IUPAC rules for naming alcohols that contain single hydroxyl group:

  • • Longest carbon chain has to be identified that contains hydroxyl group also.  The chain name is obtained by replacing the letter “-e” in alkane with “-ol”.  If the compound contains a unsaturated bond, then the respective name has to be changed with regard to alkane.
  • • The numbering has to be given so that the hydroxyl group gets the least numbering.
  • • Name and location of any other substituent present in the chain has to be identified.
  • • If in a ring the hydroxyl group is present, then that carbon is numbered 1 and the numbering then proceeds counterclockwise or clockwise in a way that substituents present if any gets the least numbering.
  • • Hydroxyl group as a substituent in a molecule is named as hydroxy group rather than hydroxyl group.
  • • If the compound contains bulky groups on same side of the double bond, then it is a cis isomer and if the bulkyl groups are present on opposite side of the double bond, then it is a trans isomer.
  • • In case of cycloalkane compounds, if the substitutions are present on same side of the ring of carbon atoms, it is a cis isomer.  If the substitutions are present above and below the ring, then it is a trans isomer.

IUPAC rules for naming alcohols that contain more than one hydroxyl group:

  • • The same rules said above is followed but the prefix di-, tri-, tetra etc is added corresponding to the number of hydroxyl groups that is present.

(c)

Expert Solution
Check Mark

Answer to Problem 3.27EP

The IUPAC name of the given alcohol is cis-2-methylcyclohexanol.

Explanation of Solution

Given structure of alcohol is,

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 5

The longest carbon chain in the above structure with the hydroxyl group is found to be a six carbon cyclic chain.  Hence, the parent cycloalkane is cyclohexane.  As a hydroxyl group is present in the ring, the name can be given as cyclohexanol.  Looking for the substituents present in the ring, it is found that a methyl group is present in the second position.  Therefore, the name of the given alcohol can be given as 2-methylcyclohexanol.

Looking for the stereochemistry, the given structure has substituents on same side of the ring of carbon atoms and hence this is a cis isomer.  This has to be included in the IUPAC name.  Therefore, IUPAC name of the given compound is cis-2-methylcyclohexanol.

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 6

Conclusion

IUPAC name for the given alcohol is cis-2-methylcyclohexanol.

(d)

Interpretation Introduction

Interpretation:

The IUPAC name for the alcohol has to be assigned.

Concept Introduction:

IUPAC rules for naming alcohols that contain single hydroxyl group:

  • • Longest carbon chain has to be identified that contains hydroxyl group also.  The chain name is obtained by replacing the letter “-e” in alkane with “-ol”.  If the compound contains a unsaturated bond, then the respective name has to be changed with regard to alkane.
  • • The numbering has to be given so that the hydroxyl group gets the least numbering.
  • • Name and location of any other substituent present in the chain has to be identified.
  • • If in a ring the hydroxyl group is present, then that carbon is numbered 1 and the numbering then proceeds counterclockwise or clockwise in a way that substituents present if any gets the least numbering.
  • • Hydroxyl group as a substituent in a molecule is named as hydroxy group rather than hydroxyl group.
  • • If the compound contains bulky groups on same side of the double bond, then it is a cis isomer and if the bulkyl groups are present on opposite side of the double bond, then it is a trans isomer.
  • • In case of cycloalkane compounds, if the substitutions are present on same side of the ring of carbon atoms, it is a cis isomer.  If the substitutions are present above and below the ring, then it is a trans isomer.

IUPAC rules for naming alcohols that contain more than one hydroxyl group:

  • • The same rules said above is followed but the prefix di-, tri-, tetra etc is added corresponding to the number of hydroxyl groups that is present.

(d)

Expert Solution
Check Mark

Answer to Problem 3.27EP

The IUPAC name of the given alcohol is trans-3-chlorocyclohexanol.

Explanation of Solution

Given structure of alcohol is,

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 7

The longest carbon chain in the above structure with the hydroxyl group is found to be a six carbon cyclic chain.  Hence, the parent cycloalkane is cyclohexane.  As a hydroxyl group is present in the ring, the name can be given as cyclohexanol.  Looking for the substituents present in the ring, it is found that a chloro is present in the third position.  Therefore, the name of the given alcohol can be given as 3-chlorocyclohexanol.

Looking for the stereochemistry, the given structure has substituents above and below the ring of carbon atoms and hence this is a trans isomer.  This has to be included in the IUPAC name.  Therefore, IUPAC name of the given compound is trans-3-chlorocyclohexanol.

Organic And Biological Chemistry, Chapter 3, Problem 3.27EP , additional homework tip 8

Conclusion

IUPAC name for the given alcohol is trans-3-chlorocyclohexanol.

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Chapter 3 Solutions

Organic And Biological Chemistry

Ch. 3.1 - Prob. 1QQCh. 3.1 - Prob. 2QQCh. 3.2 - Prob. 1QQCh. 3.2 - Prob. 2QQCh. 3.2 - Prob. 3QQCh. 3.3 - Prob. 1QQCh. 3.3 - Prob. 2QQCh. 3.3 - Prob. 3QQCh. 3.3 - Prob. 4QQCh. 3.4 - Prob. 1QQ
Ch. 3.4 - Prob. 2QQCh. 3.4 - Prob. 3QQCh. 3.5 - Prob. 1QQCh. 3.5 - Prob. 2QQCh. 3.5 - Prob. 3QQCh. 3.5 - Prob. 4QQCh. 3.6 - Prob. 1QQCh. 3.6 - Prob. 2QQCh. 3.6 - Prob. 3QQCh. 3.7 - Prob. 1QQCh. 3.7 - Prob. 2QQCh. 3.8 - Prob. 1QQCh. 3.8 - Prob. 2QQCh. 3.9 - Prob. 1QQCh. 3.9 - Prob. 2QQCh. 3.9 - Prob. 3QQCh. 3.9 - Prob. 4QQCh. 3.9 - Prob. 5QQCh. 3.9 - Prob. 6QQCh. 3.10 - Prob. 1QQCh. 3.10 - Prob. 2QQCh. 3.11 - Prob. 1QQCh. 3.11 - Prob. 2QQCh. 3.11 - Prob. 3QQCh. 3.12 - Prob. 1QQCh. 3.12 - Prob. 2QQCh. 3.13 - Prob. 1QQCh. 3.13 - Prob. 2QQCh. 3.13 - Prob. 3QQCh. 3.14 - Prob. 1QQCh. 3.14 - Prob. 2QQCh. 3.14 - Prob. 3QQCh. 3.15 - Prob. 1QQCh. 3.15 - Prob. 2QQCh. 3.15 - Prob. 3QQCh. 3.15 - Prob. 4QQCh. 3.16 - Prob. 1QQCh. 3.16 - Prob. 2QQCh. 3.17 - Prob. 1QQCh. 3.17 - Prob. 2QQCh. 3.17 - Prob. 3QQCh. 3.18 - Prob. 1QQCh. 3.18 - Prob. 2QQCh. 3.18 - Prob. 3QQCh. 3.19 - Prob. 1QQCh. 3.19 - Prob. 2QQCh. 3.20 - Prob. 1QQCh. 3.20 - Prob. 2QQCh. 3.20 - Prob. 3QQCh. 3.20 - Prob. 4QQCh. 3.20 - Prob. 5QQCh. 3.21 - Prob. 1QQCh. 3.21 - Prob. 2QQCh. 3.21 - Prob. 3QQCh. 3.21 - Prob. 4QQCh. 3.21 - Prob. 5QQCh. 3 - Prob. 3.1EPCh. 3 - Indicate whether or not each of the following...Ch. 3 - Prob. 3.3EPCh. 3 - Prob. 3.4EPCh. 3 - Prob. 3.5EPCh. 3 - Prob. 3.6EPCh. 3 - Prob. 3.7EPCh. 3 - Prob. 3.8EPCh. 3 - Prob. 3.9EPCh. 3 - Prob. 3.10EPCh. 3 - Write a condensed structural formula for each of...Ch. 3 - Write a condensed structural formula for each of...Ch. 3 - Prob. 3.13EPCh. 3 - Prob. 3.14EPCh. 3 - Prob. 3.15EPCh. 3 - Prob. 3.16EPCh. 3 - Prob. 3.17EPCh. 3 - Prob. 3.18EPCh. 3 - Prob. 3.19EPCh. 3 - Prob. 3.20EPCh. 3 - Prob. 3.21EPCh. 3 - Prob. 3.22EPCh. 3 - Prob. 3.23EPCh. 3 - Prob. 3.24EPCh. 3 - Prob. 3.25EPCh. 3 - Prob. 3.26EPCh. 3 - Prob. 3.27EPCh. 3 - Prob. 3.28EPCh. 3 - Prob. 3.29EPCh. 3 - Prob. 3.30EPCh. 3 - Give the IUPAC name of the alcohol that fits each...Ch. 3 - Prob. 3.32EPCh. 3 - Prob. 3.33EPCh. 3 - Prob. 3.34EPCh. 3 - Prob. 3.35EPCh. 3 - Prob. 3.36EPCh. 3 - Prob. 3.37EPCh. 3 - Which member of each of the following pairs of...Ch. 3 - Prob. 3.39EPCh. 3 - Which member of each of the following pairs of...Ch. 3 - Determine the maximum number of hydrogen bonds...Ch. 3 - Prob. 3.42EPCh. 3 - Prob. 3.43EPCh. 3 - Prob. 3.44EPCh. 3 - Prob. 3.45EPCh. 3 - Prob. 3.46EPCh. 3 - Classify each of the following alcohols as a...Ch. 3 - Classify each of the following alcohols as a...Ch. 3 - Classify each of the following alcohols as a...Ch. 3 - Classify each of the following alcohols as a...Ch. 3 - Prob. 3.51EPCh. 3 - Prob. 3.52EPCh. 3 - Prob. 3.53EPCh. 3 - Prob. 3.54EPCh. 3 - Prob. 3.55EPCh. 3 - Prob. 3.56EPCh. 3 - Prob. 3.57EPCh. 3 - Prob. 3.58EPCh. 3 - Prob. 3.59EPCh. 3 - Prob. 3.60EPCh. 3 - The alcohol 2,2-dimethyl-1-butanol cannot be...Ch. 3 - Prob. 3.62EPCh. 3 - Prob. 3.63EPCh. 3 - Prob. 3.64EPCh. 3 - Prob. 3.65EPCh. 3 - Prob. 3.66EPCh. 3 - Prob. 3.67EPCh. 3 - Prob. 3.68EPCh. 3 - Prob. 3.69EPCh. 3 - Prob. 3.70EPCh. 3 - Prob. 3.71EPCh. 3 - Prob. 3.72EPCh. 3 - Prob. 3.73EPCh. 3 - Prob. 3.74EPCh. 3 - Prob. 3.75EPCh. 3 - Prob. 3.76EPCh. 3 - Prob. 3.77EPCh. 3 - Prob. 3.78EPCh. 3 - Prob. 3.79EPCh. 3 - Prob. 3.80EPCh. 3 - Prob. 3.81EPCh. 3 - Prob. 3.82EPCh. 3 - Prob. 3.83EPCh. 3 - Prob. 3.84EPCh. 3 - Prob. 3.85EPCh. 3 - Prob. 3.86EPCh. 3 - Prob. 3.87EPCh. 3 - Prob. 3.88EPCh. 3 - Prob. 3.89EPCh. 3 - Prob. 3.90EPCh. 3 - Classify each of the following compounds as an...Ch. 3 - Prob. 3.92EPCh. 3 - Draw or write the following for the simplest ether...Ch. 3 - Draw or write the following for the simplest ether...Ch. 3 - Prob. 3.95EPCh. 3 - Prob. 3.96EPCh. 3 - Assign a common name to each of the ethers in...Ch. 3 - Prob. 3.98EPCh. 3 - Prob. 3.99EPCh. 3 - Prob. 3.100EPCh. 3 - Prob. 3.101EPCh. 3 - Prob. 3.102EPCh. 3 - Prob. 3.103EPCh. 3 - Prob. 3.104EPCh. 3 - Prob. 3.105EPCh. 3 - Prob. 3.106EPCh. 3 - Prob. 3.107EPCh. 3 - Prob. 3.108EPCh. 3 - Prob. 3.109EPCh. 3 - Prob. 3.110EPCh. 3 - Prob. 3.111EPCh. 3 - Prob. 3.112EPCh. 3 - Prob. 3.113EPCh. 3 - Prob. 3.114EPCh. 3 - How many isomeric ethers exist when the R groups...Ch. 3 - Prob. 3.116EPCh. 3 - Prob. 3.117EPCh. 3 - Prob. 3.118EPCh. 3 - Prob. 3.119EPCh. 3 - Prob. 3.120EPCh. 3 - Dimethyl ether and ethanol have the same molecular...Ch. 3 - Prob. 3.122EPCh. 3 - Prob. 3.123EPCh. 3 - Prob. 3.124EPCh. 3 - Prob. 3.125EPCh. 3 - Prob. 3.126EPCh. 3 - Classify each of the following molecular...Ch. 3 - Classify each of the following molecular...Ch. 3 - Prob. 3.129EPCh. 3 - Prob. 3.130EPCh. 3 - Prob. 3.131EPCh. 3 - Draw a condensed structural formula for each of...Ch. 3 - Prob. 3.133EPCh. 3 - Prob. 3.134EPCh. 3 - Prob. 3.135EPCh. 3 - Write the formulas for the sulfur-containing...Ch. 3 - Prob. 3.137EPCh. 3 - For each of the following pairs of compounds,...Ch. 3 - Prob. 3.139EPCh. 3 - Prob. 3.140EPCh. 3 - Prob. 3.141EPCh. 3 - Prob. 3.142EPCh. 3 - Prob. 3.143EPCh. 3 - Prob. 3.144EPCh. 3 - Prob. 3.145EPCh. 3 - Prob. 3.146EP
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