None The analysis of the contents of Car 52 is as follows:%C = 60.98%H = 11.94MS Data: 118 (100%), 119 (6.6%)Proton NMR: 0.96 (3H,t), 1.46 (2H, m6), 1.50 (2H, m5), 3.35 (2H, t), 3.35 (2H, t), 3.70 (2H, t),5.40 (1H, s)What is the MF? C3H7(no spaces, example, for water = H2O)What is the IUPAC name? propane

Based on the provided elemental composition, mass spectrometry data, and proton NMR data, the…

Answered: The analysis of the contents of Car 52…

Organic Chemistry

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Author:John E. McMurry

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Chapter24: Amines And Heterocycles

Section24.SE: Something Extra

Problem 65AP: Phenacetin, a substance formerly used in over-the-counter headache remedies, has the formula...

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Propose a structural formula for the analgesic phenacetin, molecular formula C10H13NO2, based on its 1H-NMR spectrum.
Phenacetin, a substance formerly used in over-the-counter headache remedies, has the formula C10H13NO2. Phenacetin is neutral and does not dissolve in either acid or base. When warmed with aqueous NaOH, phenacetin yields an amine, C8H11NO, whose 1H NMR spectrum is shown. When heated with HI, the amine is cleaved to an aminophenol, C6H7NO. What is the structure of phenacetin, and what are the structures of the amine and the aminophenol?
The Mass spec of the compound has a molecular ion peak at m/z = 178 and a base peak at m/z = 178 (yes, the same value). The proton NMR showed the following: Signal Shift (ppm) Integration 8.4 8.0 7.4 A B C There are four C-13 signals: 125, 126, 128, and 132 ppm. A simple C13 chart is provided at the The integrations for the four C13 peaks are 2:2:1:2 respectively. The IR Spectrum is presented below (black vertical line at 3000 cm³¹ was drawn in): INFRARED SPECTRUM 0.8 0.6 0.4 Splitting Singlet 1 Doublet 2 Doublet of Doublets 2 C. 2000 Wavenumber (cm-1) Other information available: The molecule does not react with bromine in chloroform but can be brominated using bromine and FeBr3, and three different monobromo products are obtained. a. The number of H's in the compound have to be a multiple of what integer? Explain your answer. b. The number of C's in the compound have to be a multiple of what integer? is the maximum number of C's that can be in the compound? determined the maximum…
Elucidate the structure using the 1H and 13C NMR data.
9 C 2 H, d 2 H, d 8 6 Solution Process: 5 PPM 4 3 H, s 3 3 H, s 2 1 Analysis compound C: Structure of C (paste in chemdraw): 09 Proton NMR: report in this format shift (splitting, integration); e.g., 3.20 (t, 2H) alevlan (webmerlo ni eresa) O to entou de (naiisipeni pritiige) Hirle temot air ni noger:AMM motors com-Ingh ari tot poitilga ni 10123 stol
18. Proton NMR spectra are given together with molecular formula. Propose a structure that corresponds to each spectrum. (Hint: Find IHD first). Assign peaks to show which protons give rise to which peaks 10 10 10 (b) C4H8O₂ Offset: 2.4 ppm (b) C₂H100 9 (c) CsHgO₂ 9 8 8 7 7 6 6 6 5 8 (ppm) OHz 5 8 (ppm) 4 3.08 2.98 2.88 2.78 8 (ppm) 50Hz 4 4 3 2 1 0 0
Draw the structure of the compound identified by the simulated 'H NMR and C NMR spectra. The molecular formula of the compound is C,0H,O. 12 (Blue numbers next to the lines in the 'H NMR spectra indicate the integration values.) H NMR 1H 2H 2H 2H 2H|| 3H 10 8. 4 (dd) g 13C NMR 220 200 180 160 140 120 100 80 60 40 20 8 (ppm) Deduce the structure from the spectra. Select Draw Rings More Erase
How many different kinds of protons are present in each of the following compounds? CI CI CH,CH2CH2CH2, c=C H H. II O1=6; 1I = 5; III = 3. O1=7; II = 5; III = 3. %3D %3D O1=6; 1| =D6; III = 3. %3D %3D O1=7;11 = 6; III = 3. %3D %3D
An unknown compound produces an 1H NMR spectrum with only three signals: 1.8, 2.8, 7.5 (broad) ppm, all singlets that integrate in a 6:3:1 ratio, respectively. The 13C NMR spectrum shows 4 signals. Both spectra are provided below. The mass spectrum shows a molecular ion region with the following peaks: m/z 135 (100%), 136 (5.9%), 137 (33%). Determine the number of carbons, molecular formula, and propose a structure. Assign all 1H and 13C NMR signals to specific chemical environments or specific hydrogens in your structure. 'H NMR Spectrum of Unknown 8 6 PPM 13C NMR Spectrum of Unknown 160 140 80 60 100 PPM 180 120 40 20
15.10 Analyzing a 'H NMR Spectrum A compound has the molecular formula of C3HgO. It exhibits 4 peaks in its ¹H NMR spectrum. These peaks are (in 6): 3.6 (2H, t). 2.3 (1H, broad), 1.6 (2H, sextet). 1.05 (3H, t). Which of the following compounds is consistent with this data? O CO O O O OMe -OH OH H₂C-O-CH, OH Save for Later C Submit Answer
Indicate two basic differences that exist between the spectra of 1H y 13C in NMR.
Provide structures for nmr spectra assign peaks to the protons in the molecule

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