The relative priorities for the given set of groups has to be assigned. Concept introduction: Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other. Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers. According to Cahn-Ingold-Prelog system, The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Question

2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Answer 1

Question

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

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2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Interpreting NMR spectra is a skill that often requires some amount of practice, which, in turn, necessitates access to a collection of NMR spectra. Beyond Labz Organic Synthesis and Organic Qualitative Analysis have spectral libraries containing over 700 1H NMR spectra. In this assignment, you will take advantage of this by first predicting the NMR spectra for two closely related compounds and then checking your predictions by looking up the actual spectra in the spectra library. After completing this assignment, you may wish to select other compounds for additional practice. 1. Write the IUPAC names for the following two structures: Question 2 Question 3 2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled**

11:14 ... worksheets.beyondlabz.com 3. To check your predictions, click this link for Interpreting NMR Spectra 1. You will see a list of all the - compounds in the spectra library in alphabetical order by IUPAC name. Hovering over a name in the list will show the structure on the chalkboard. The four buttons on the top of the Spectra tab in the tray are used to select the different spectroscopic techniques for the selected compound. Make sure the NMR button has been selected. 4. Scroll through the list of names to find the names for the two compounds you have been given and click on the name to display the NMR spectrum for each. In the NMR tables below, list the chemical shift, the splitting, and the number of hydrogens associated with each peak for each compound. Compare your answers to your predictions. **Not all slots must be filled** Peak Chemical Shift (d) Multiplicity 1 2 3 4 5

Answer 2

Question

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Expert Solution & Answer

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Answer 3

Question

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

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Answer 4

Question

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

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Answer 5

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 6

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 7

Chapter 4.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The relative priorities for the given set of groups has to be assigned.

Concept introduction:

Enantiomers are stereoisomers of compounds having one asymmetric center, in which these isomers are non-superimposable mirror images of each other.

Enantiomers are named by following Cahn-Ingold-Prelog system, in which R or S letter is used to differentiate between enantiomers.

According to Cahn-Ingold-Prelog system,

The group attached to asymmetric center should be ranked based on the atomic number of atom which directly connected to asymmetric center. The higher the atomic number of atom, higher the priority. If there is tie, then consider the next atoms attached to the connected atom and so on.

Answer 14

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Ch. 4.1 - Prob. 2P Ch. 4.1 - Prob. 3P Ch. 4.1 - Prob. 4P Ch. 4.1 - Prob. 5P Ch. 4.1 - Which of the roll owing compounds have a dipole...Ch. 4.2 - Draw and label the E and Z isomers for each of the...Ch. 4.2 - Assign relative priorities to each set of...Ch. 4.2 - Tamoxifen slows the growth of some breast tumors...Ch. 4.2 - Prob. 10P Ch. 4.2 - Name each of the following:

Solution Summary: The author explains that the relative priorities for the given set of groups have to be assigned. Enantiomers are non-superimposable mirror images of each other.

Chapter 4 Solutions