1H NMR 6. Propose a structure for the compound CzH.O with the following 'H NMR spectral...
11. Propose a structure for the compound Ca He O2, with the following 'H NMR spectral data. 1H 4H 3H 12.Propose a structure for the compound C.He with the following 'H NMR spectral data. 2H 6H
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
Determine Structure of NMR below Molecule J: C6H1002 6H 4H 2 PPM Molecule P: C4H8O зн зн 2H 2 PPM Molecule Q: C4H8O:2 6H 1H exchangeable IH 10 PPM Molecule U: CsH16Clz зн 6H 3H ін 2H 1H 3 C) PPM Molecule J: C6H1002 6H 4H 2 PPM Molecule P: C4H8O зн зн 2H 2 PPM Molecule Q: C4H8O:2 6H 1H exchangeable IH 10 PPM Molecule U: CsH16Clz зн 6H 3H ін 2H 1H 3 C) PPM
(g). Propose a structure with molecular formula CaHiNO, and has the following proton NMR spectral data: a quartet (2H), two singlets (2H and 6H) and a triplet (3H); the IR spectrum has bands in the regions 2 210 2270 and at 1 720 cm (g). Propose a structure with molecular formula CaHiNO, and has the following proton NMR spectral data: a quartet (2H), two singlets (2H and 6H) and a triplet (3H); the IR spectrum has bands in the regions...
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
4. Propose a structure for each molecular formula using the provided H NMR spectrum. (a) CH30 6H IH 1H PPM (b) C6H120 ЗН PPM (c) CaHgBr 2H PPM (d) C&H N 2H 2H PPM
1. Propose structure formulas for each isomer of C7H140 in the boxes below based on the attached H-NMR and 18C-NMR spectra. C,H40 Isomer 1 C,Hl40 Isomer 2 CH4 Isomer 3 C,H40 ISOMER 1 1H NMR 9H 2H 3H 3 220 200 180 160 140 120 100 8060 40 0 PPM CjH40 ISOMER 2 1H NMR 6H ЗН 300 2H PPM 13C NMFR 220 20 180 160140 120 1008604020 0) PPM C7H140 ISOMER 3 1H NMR зн зн зн 2H 2H...
Propose a reasonable structure based on the molecular formula, the 1H NMR, and the proton–decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H16O and * = CH2 by DEPT. Propose a reasonable structure based on the molecular formula, the 'H NMR, and the proton-decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H160 and * = CH2 by DEPT. 'H NMR 3H 8H 13C NMR 2H (CH3)4 Si 26 VIH them...
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
Question 3) Propose a structure consistent with the following spectral data for a compound C&H..0) IR 3100 (broad, strong). 1710 (strong) cm''; 'H NMR 1.05 (triplet; 3H), 2.40 (triplet: 2H), 3.46 (quartet, 2H), 3.61 (triplet, 2H), 12.01 (broad singlet, 1H) (10 points) puy!!! Chemical Shift in 'H NMR --C-HE! 2.1-2.6 C-H 2.3-2.9 (benzylic) (vinylic) 4.5-6.0 -C-H 9.0-10.0 (aldehydic) C-H (allylic) 1.6-2.8 6.5-8,0 -c-H| (phenyl) 3.2-4.2 C-H 0.7-1 (alkyl) 1110 7 32 1 8 (ppm) I-¢-H| 22-4.2 - C- H 2.7-4.2...