Two methyl at 0.9 ppm,Two CH attach to CH3 at 1.7ppm and one CH attach to Chlorin at 3.1ppm | |
Three equivalent different proton present.Two methyl at 0.9ppm,Two CH2 at 1.5ppm,One CH at 3.3ppm | |
Five different proton.CH at 3.5 ppm,CH3 at 1.6ppm,CH2 at 1.4ppm,CH2 at 1.2ppm,CH3 at 0.9ppm |
five different proton. CH2 at 3.6ppm,CH2 at 1.9 ppm,2CH2 at 1.2ppm,CH3 at 0.9 ppm | |
1. Each of the following to structures corresponds to one of the H NMR spectra below...
4. Each of the following 7 structures corresponds to one of the 13C NMR spectra below. Re-draw each structure next to the appropriate spectrum and use letter codes to designate the chemically equivalent carbons. Label each peak on the spectrum with the appropriate letter code. ů o gani STRUCTURE: 66 5 ' 4OPPM 30 STRUCTURE: group group 140 120 100 80 PPM 66 4 0 20 STRUCTURE: 100 B0 60 46 PPM NAME: SSID: STRUCTURE: group 605646 30 2016 group...
4) All signals in the 'H NMR below correspond to particular hydrogens in the molecule. Assign the NMR spectrum by labeling each proton in the molecule with the appropriate lettered signal. OMe 3H, S HO 3H, S 4H, m 1H, s 1H, br PPM 6H, d 3H, d 2H, S 3H, m 1H, q1H, sept PPM
Match the hydrogens in the structure below to each signal in the NMR spectrum H1 H5 H4 tra -H3 6H E 6H, singlet B 3H, singlet D 2H, singlet с 1H, septet F. 6H, doublet A 4H, mult 8 7 6 5 3 2 1 0 4 PPM
8. The 'H NMR spectrum below corresponds to a compound with molecular formula CH1202 Determine the structure, label the unique sets of hydrogens and then use these labels to mark the corresponding signals. (4 pts.) s, 9H s, 2H bs, 1H 10 6 2 P-03-15 ppm
IL (20 points) The 'H NMR, "C NMR, Mass Spectra and IR spectra for a mystery compound with the formula CsH20 are shown below. Please draw the structure for the compound in the box below. Note: The numbers on top of the 'H NMR peaks are the number of protons associated with that peak. A chart for 'H NMR, IR and C NMR spectra shift values are on the following pages. FTIR 13C NMR Zoom Out 'H NMR Zoom Out...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
Give the structure that corresponds to the following molecular formula and NMR spectra: C6H14O 1H NMR: ? 0.91 (6H, d, J = 7 Hz); ? 1.17 (6H, s); ? 1.48 (1H, s; disappears after D2O shake); ? 1.65 (1H, septet, J = 7 Hz). 13C NMR: ? 17.6, ? 26.5, ? 38.7, ? 73.2.
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...
Give the structure that corresponds to the following molecular formula and NMR spectra: CsHyo TH NMR: 80.91 (6H, doublet); 8 1.17 (6H, singlet); 8 1.48 (1H, broad singlet); 8 1.65 (1H, septet). BC NMR: 0 17.6, 26.5, 8 38.7, 8 73.2. .
The following spectroscopic data below corresponds to an unknown carbonyl compound with the molecular formula C8H12O. Deduce and draw the structure of the compound that corresponds to the data. The letter \"m\" refers to an uninterpretable multiplet in the spectra. 1H NMR: δ 0.94 (t, 3H), 1.48 (sextet, 2H), 2.21 (q, 2H), 5.8-7.1 (m, 4H), and 9.56 (d, 1H) ppm. 13C NMR: δ 13.6, 21.9, 35.2, 129.0, 135.2, 146.7, 152.5, 193.2 ppm.