
254 254 Please put your final answer in the box under the 'H NMR. Compound 36...
our final answer in the box under the ' INMI Please put your final answer in the box under the 'H NMR. Compound 8 6H 1H TH 24 PPM M.F. = CH 100 Please put your final answer in the box under the 'H NMR. Compound 8 200 180 160 140 120 100 PPM 80 60 40 20
use
both spectra to determine the exact structure of the compound and
put your final answer in the box with formula
pul youl tmllal answer in the box under the 'H NMR Compound 29 3H 2H 1H 3 PPM 7 Please put your final answer in the box under the 'H NMR. Compound 29 20 40 140 120 100 8060 PPM 180 200
pul youl tmllal answer in the box under the 'H NMR Compound 29 3H 2H 1H 3...
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 160 40 120 13C NMR 2 peaks overlapping 100 20 40 120 60 80 PPM 140 6H H NMR 2H 2H 2H 1H 1H 2 7 5 8 PPM 1. Using the spectra on the next page, solve for the structure of an unknown organic compound. Fòi full credit (and consideration for partial credit) show your...
evaluate if the compound is cyclopentene or cyclihexyl
bromide.
label each part
C IR 100 D j000 530 3000 00 VENUREI- Mass Spec. 100 80- 60 40 20 0 175 100 125 150 75 50 25 m/z Relative Intensity H-NMR quintet, 1H multiplet, 2H multiplet, 6H multiplet, 2H 0 PPM "C-NMR 30 10 40 0 20 PPM 50
Please give the structure based on the NMR spectra depicted.
Compound G: Molecular formula = C9H12. Key Infrared signal: 3082, 749, 699 cm 5H, m 3H, t 2H, sextet 2H, t 10 Heoe-ese Pprn Draw your final in this box. Compound H: Molecular formula C$H10O. Infrared signal: 2874, 2719, 1726 cm 3H, t 9-10 2H, 2H, t udd sextet 1H, singlet 2H, pentet 1.5 2.0 1.0 PPM 3.0 t0 5 10.0 9 9.0 8.5 8.0 7.5 7.0 6.5 PPM Draw...
28. A compound with the molecular formula of C3H.ON shows 1H NMR and 13C NMR as below. Give the most plausible structure in the box. 2H, 3 peaks 2H, 3 peaks 1H, 1 peak PPM 180 160 140 120 100 80 60 40 20 PPM
Using the NMR, IR, and MS figure out what the compoud is.
**
identify the molecular structure througu NMR, IR and MS
CHEM 100L Lab 3 NMR Problems Unknown 1 CH 0 M-a 102 Relative Intensity 20 30 40 50 70 80 60 m/z water, not part of sample 1-2975-2877 9H, singlet 2H, 3H, quartet triplet ppm Unknown 2 C,H,O tensity 119 Relative 3200-2600 1680V 3H, singlet 2x 2H, doublet 1H, singlet ppm Unknown 3 C,HO, Relative Intensity 3090 3035...
Instructions: For each of the following compounds: (a) Calculate the DoU for each compound; (b) use the IR spectra to interpret all pertinent stretching frequencies as well as the absence of peaks to give possible formulas of the compound and (c) confirm the structure of each compound using the NMR spectrum. Compound 3. Formula: C4H,00 100 80- 6e- 20 1088 1508 3008 2520 20aa 3500 4000 6H 1H 2H 1H 0.5 2,5 1.5 2.0 3.5 3.0 1.0 PPM 4.0 Iv6...
9. SPECTROSCOPY NMR Use the following information to determine the structure of the compound with molecular formula CH1604. The IR shown a strong signal at 1740 with no signal above 3000. 1H NMR 6H 6H 2H 1H 7 6 5 3 2 1 0 13C NMR 200 125 100 75 50 25 175 150 Final Structure
Please help identify which compound these NMR's match.
If possible label the proton NMR peaks with the protons on the
compound.
Unknown B-C NMR OLL COL 72.09 87.70, 72.09, 13C NMR (101 MHz, cdc13) 68.56, 39.78, 25.09, 23.13 WWWWWMWWN 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 ppi Unknown B - H NMR 1H NMR (400 MHz, cdc13) 2.48 (s, 1H), 2.02 (s, 1H), 1.91 (m, 2H), 1.71...