Organic Chemistry (9th Edition)
9th Edition
ISBN: 9780321971371
Author: Leroy G. Wade, Jan W. Simek
Publisher: PEARSON
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Textbook Question
Chapter 9.9C, Problem 9.12P
Show how you would convert
- a. oct-3-yne to cis-oct-3-ene.
- b. pent-2-yne to trans-pent-2-ene.
- c. cis-cyclodecene to trans-cyclodecene.
- d. but-1-yneto cis-hex-3-ene
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⚫ worksheets.beyondlabz.com
5 (a). Using the peak information you listed in the tables for
both structures, assign each peak to that portion of the
structure that produces the peak in the NMR spectrum. Draw
this diagram on your own sheet of paper and attach the sketch
of your drawing to this question.
Question 6
5 (b). Using the peak information you listed in the tables for
both structures, assign each peak to that portion of the
structure that produces the peak in the NMR spectrum. Draw
this diagram on your own sheet of paper and attach the sketch
of your drawing to this question.
Question 7
6. Are there any differences between the spectra you obtained
in Beyond Labz and the predicted spectra? If so, what were
the differences?
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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**
Chapter 9 Solutions
Organic Chemistry (9th Edition)
Ch. 9.1 - a. Count the elements of unsaturation in...Ch. 9.2 - Prob. 9.2PCh. 9.4B - What reaction would acetylene likely undergo if it...Ch. 9.6 - Prob. 9.4PCh. 9.6 - Predict the products of the following acid-base...Ch. 9.7A - Solved Problem9-1 showed the synthesis of...Ch. 9.7A - Show how you might synthesize the following...Ch. 9.7B - Prob. 9.8PCh. 9.7B - Show how you would synthesize...Ch. 9.8 - When 2,2-dibromo-1-phenylpropane is heated...
Ch. 9.8 - When 2,2-dibromo-1-phenylpropane is heated...Ch. 9.9C - Show how you would convert a. oct-3-yne to...Ch. 9.9C - The fragrance of (Z)-1-phenylhex-2-en-1-ol...Ch. 9.9D - In the addition of just 1 mole of bromine to 1...Ch. 9.9E - Propose a mechanism for the entire reaction of...Ch. 9.9E - Predict the major product(s) of the following...Ch. 9.9E - Propose a mechanism for the reaction of pent-1-yne...Ch. 9.9E - Show how hex-1-yne might be converted to a....Ch. 9.9F - When pent-2-yne reacts with mercuric sulfate in...Ch. 9.9F - Prob. 9.20PCh. 9.9F - Prob. 9.21PCh. 9.9F - Prob. 9.22PCh. 9.10A - Predict the product(s) you would expect from...Ch. 9.10B - Prob. 9.24PCh. 9.10B - Prob. 9.25PCh. 9 - Prob. 9.26SPCh. 9 - Give common names for the following compounds. a....Ch. 9 - Prob. 9.28SPCh. 9 - Prob. 9.29SPCh. 9 - Using cyclooctyne as your starting material, show...Ch. 9 - Prob. 9.31SPCh. 9 - Prob. 9.32SPCh. 9 - Predict the products of reaction of pent-1-yne...Ch. 9 - Show how you would accomplish the following...Ch. 9 - Show how you would synthesize the following...Ch. 9 - Predict the products formed when CH3CH2C C : Na+...Ch. 9 - Prob. 9.37SPCh. 9 - Prob. 9.38SPCh. 9 - When compound Z is treated with ozone, followed by...Ch. 9 - Show how you would convert the following starting...Ch. 9 - The following functional-group interchange is a...Ch. 9 - Using any necessary inorganic reagents, show how...Ch. 9 - Prob. 9.43SP
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- 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 5arrow_forwardО δα HO- H -Br δα HO-- + + -Br [B] 8+ HO- -Br δα नarrow_forward1/2 - 51% + » GAY Organic Reactions Assignment /26 Write the type of reaction that is occurring on the line provided then complete the reaction. Only include the major products and any byproducts (e.g. H₂O) but no minor products. Please use either full structural diagrams or the combination method shown in the lesson. Skeletal/line diagrams will not be accepted. H3C 1. 2. CH3 A Acid OH Type of Reaction: NH Type of Reaction: + H₂O Catalyst + HBr 3. Type of Reaction: H3C 4. Type Reaction: 5. H3C CH2 + H2O OH + [0] CH3 Type of Reaction: 6. OH CH3 HO CH3 + Type of Reaction: 7. Type of Reaction: + [H]arrow_forward
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