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Question 5: On the following pages, you will find 1H and 13C NMR spectra that correspond...
C9H12 13C NMR 7 peaks 1H NMR δ 1.13 (triplet, 3H); δ 1.71 (multiplet, 2H); δ...
C9H12 13C NMR 7 peaks 1H NMR δ 1.13 (triplet, 3H); δ 1.71 (multiplet, 2H); δ 2.64 (triplet, 2H); δ 7.34 (multiplet, 5H) Degree of Unsaturation _______ Draw the structure of your compound and indicate the ppm of each of the H’s. 2. C5H10O2 13C NMR 5 peaks 1H NMR δ 0.93 (triplet, 3H); δ 1.70 (multiplet, 2H); δ 2.25 (triplet, 2H); δ 3.59 (singlet, 3H) Degree of Unsaturation _______ Draw the structure of your compound and indicate the ppm...
Draw the structure that fits the following data. Molecular formula: C6H12O 1H NMR spectral data: 13C NMR spectrum: P...
Draw the structure that fits the following data. Molecular
formula: C6H12O 1H NMR spectral data: 13C NMR spectrum:
PLEASE HELP
the structure that fits the following data. Molecular formula: C6H12O H NMR spectral data: ppm 0.90 1.53 2.34 9.72 Integration6 4 1 1 Multiplicity triplet multiplet multiplet doublet C NMR spectrum:
Draw the structure that fits the following data. Molecular formula: C6H12O 1H NMR spectral data: 13C...
Draw the structure that fits the following data. Molecular
formula: C6H12O 1H NMR spectral data: 13C NMR spectrum:
PLEASE HELP
the structure that fits the following data. Molecular formula: C6H12O H NMR spectral data: ppm 0.90 1.53 2.34 9.72 Integration6 4 1 1 Multiplicity triplet multiplet multiplet doublet C NMR spectrum:
Which peak would NOT be in either the decoupled 13C or 1H NMR spectra of the...
Which peak would NOT be in either the decoupled 13C or 1H NMR spectra of the molecule shown below? a)a singlet around 65 ppm (13C) b)a quartet around 2. 1 ppm (1M) c)a doublet around 1. 1 ppm (1H) d)a singlet around 170 ppm (13C) e) a singlet around 220 ppm (13C) f) a singlet around 3. 5 ppm (1H) 2) For which pair of molecules below would decoupled l3C NMR spectroscopy not be effective in easily telling apart?
1H NMR Spectra: 1H NMR Spectra (Zoomed in): Through the use of the given spectral data,...
1H NMR Spectra:
1H NMR Spectra (Zoomed in):
Through the use of the given spectral data, deduce the structure of the molecule, showing all reasoning in the process. Note that the peaks at 3.7, 4.2, and 7.27 ppm don't belong to the compound; explain what these peaks correspond to: Formula: CH10 13C NMR & DEPT-135: 13C NMR (ppm) Dept-135 57 + + | + + 58 109 111 127 131 149 153 190 No peak No peak No peak +...
11. (20 points) The 1H NMR, 13C NMR, Mass Spectra and IR spectra for a mystery...
11. (20 points) The 1H NMR, 13C NMR, Mass Spectra and IR spectra
for a mystery compound with the formula C5H12O are shown below.
Please draw the structure for the compound in the box below. Note:
The numbers on top of the 1H NMR peaks are the number of protons
associated with that peak. A chart for 1H NMR, IR and 13C NMR
spectra shift values are on the following pages.
nts) The 'H NMR, "C NMR, Mass Spectra and...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals:...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
Provide the most likely chemical structure that corresponds to each set of spectral data 2. Formula:...
Provide the most likely chemical structure that corresponds to
each set of spectral data
2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
The following slides contain 1H and 13C-NMR spectra as well as GC/MS spectra for compound 2...
The following slides contain 1H and 13C-NMR spectra as well as
GC/MS spectra for compound 2 shown below. After analyzing the
spectra, assign all proton and carbon NMR signals using the
numbering given on the structure. Additionally, present your data
in table form including chemical shift, integration, coupling
pattern, and coupling constants (where possible). For mass spectral
data, justify key fragmentations (those which are starred*) by
proposing fragment structures.
5 96337 03828 047734 739073 23444 14703 3 8 9 2...
Draw the structure that fits the following data. Molecular
formula: C6H12O 1H NMR spectral data: 13C NMR spectrum:
PLEASE HELP
the structure that fits the following data. Molecular formula: C6H12O H NMR spectral data: ppm 0.90 1.53 2.34 9.72 Integration6 4 1 1 Multiplicity triplet multiplet multiplet doublet C NMR spectrum:
Draw the structure that fits the following data. Molecular
formula: C6H12O 1H NMR spectral data: 13C NMR spectrum:
PLEASE HELP
the structure that fits the following data. Molecular formula: C6H12O H NMR spectral data: ppm 0.90 1.53 2.34 9.72 Integration6 4 1 1 Multiplicity triplet multiplet multiplet doublet C NMR spectrum:
Which peak would NOT be in either the decoupled 13C or 1H NMR spectra of the molecule shown below? a)a singlet around 65 ppm (13C) b)a quartet around 2. 1 ppm (1M) c)a doublet around 1. 1 ppm (1H) d)a singlet around 170 ppm (13C) e) a singlet around 220 ppm (13C) f) a singlet around 3. 5 ppm (1H) 2) For which pair of molecules below would decoupled l3C NMR spectroscopy not be effective in easily telling apart?
1H NMR Spectra:
1H NMR Spectra (Zoomed in):
Through the use of the given spectral data, deduce the structure of the molecule, showing all reasoning in the process. Note that the peaks at 3.7, 4.2, and 7.27 ppm don't belong to the compound; explain what these peaks correspond to: Formula: CH10 13C NMR & DEPT-135: 13C NMR (ppm) Dept-135 57 + + | + + 58 109 111 127 131 149 153 190 No peak No peak No peak +...
11. (20 points) The 1H NMR, 13C NMR, Mass Spectra and IR spectra
for a mystery compound with the formula C5H12O are shown below.
Please draw the structure for the compound in the box below. Note:
The numbers on top of the 1H NMR peaks are the number of protons
associated with that peak. A chart for 1H NMR, IR and 13C NMR
spectra shift values are on the following pages.
nts) The 'H NMR, "C NMR, Mass Spectra and...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
Provide the most likely chemical structure that corresponds to
each set of spectral data
2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
The following slides contain 1H and 13C-NMR spectra as well as
GC/MS spectra for compound 2 shown below. After analyzing the
spectra, assign all proton and carbon NMR signals using the
numbering given on the structure. Additionally, present your data
in table form including chemical shift, integration, coupling
pattern, and coupling constants (where possible). For mass spectral
data, justify key fragmentations (those which are starred*) by
proposing fragment structures.
5 96337 03828 047734 739073 23444 14703 3 8 9 2...
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