


Please leave all major peaks in all spectra . Propose structure . Thanks problem ppm) 100ME...
Determine the
structure of the unknown compounds by analyzing all major peaks in
the IF spectra and all peaks of the H-NMR spectra. Show all work
for this problem.
Predicted 1H NMR Spectrum Chemical Formula: CHNO 4 40 35 20 25 20 18 16 as do Padded 13C NMR spectrum - 119.62 21.08 5 10 15 20 110100 Fi ppm)
Assign all peaks (or groups of peaks) in the following
spectra.
6. Propose a structure for the compound C2H60, with the following 1H NMR spectral data. 2H 1H 3H 7. Propose a structure for the compound C2H60, with the following 1H NMR spectral data. (Note this is the same molecular formula as the previous question) pom
Use the formula C8H14O4 and spectra to determine the structure
of the molecule. Label all peaks.
17. C,H,O, (a symmetrical diester) =m IR spectrum (liquid Elin 1735 4000 3060 3000 2000 1800 11200 8 00 V ml) 100 proton MMR spectrum COCI, solution
Assign all peaks (or groups of peaks) in the following
spectra.
13. Propose a structure for the compound C.H.NO, with the following 'H NMR. 13C NMR and IR spectral data. 6H зн 200 150 160 160 120 0 0 0 20 0 100 am
Determine the
structure of the unknown compounds by analyzing all major peaks in
the IF spectra and all peaks of the H-NMR spectra. Show all work
for this problem.
Chemical Formula: C9H2O2 J-15 Hz 10.6 102 HOM AA220846, .2 8 7 76 74 12 7.0 « « « « « ON STOP (od STOP STOW'S S SS 00 ST
Determine the
structure of the unknown compounds by analyzing all major peaks in
the IF spectra and all peaks of the H-NMR spectra. Show all work
for this problem.
Chemical formula C,H, CIN BRES DESEOS OS 008 06 56 00 SOT OTT SIT DET SEE DET SEE OMST 42.30 129.42 129.64 132.33 136.70
What is the structure? Assign all peaks or groups of
peaks if possible.
14.Propose a structure for the compound C13H100, with the following TH NMR and 13C NMR spectral data. wp-5-36 ppm 200180.160.110 120 100 36 20 12.Propose a structure for the compound C4H8, with the following 'H NMR spectral data. 2H 6H
Label the spectra and propose a structure for the
compound.
Compound IR Spectrum Olquid fim 1740 4000 3000 2000 1800 1200 800 100 Mass Spectrum yood M = 150/152 (15) CH40, CI 240 280 40 80 120 160 mle 200 13C NMR Spectrum (500 MG, COO, solo DEPT CH CH.CH selvon proton decoupled 200 160 120 80 40 0 (ppm) 'H NMR Spectrum (200 ML. COCI, solution) 10 9 8 7 6 5 4 3 2 1 (ppm)
Label the spectra and propose a structure for the
compound.
Compound 5 IR Spectrum Olquid fim 1740 4000 3000 20 ,1600 1200 300 100% Mass Spectrum M = 150/152 (15) CH,40, CI 240 280 40 80 120 160 200 13C NMR Spectrum (500 M , CDC, son DEPT CH CH CH selvon proton decoupled 200 160 120 80 40 0 8 (ppm) 'H NMR Spectrum (200 MH. COCI, solution 10 9 8 7 6 5 4 3 2 (ppm)
8. IR and proton NMR spectra for compound X are given below. Propose a structure for compound X based on these spectral data. Assign major IR peaks and proton signals. 100+ 90 801 ME92 33AM 45 73 70 604 504 401 57 301 201 101 20 40 200 0 80 180 00 120 140 160