Need help proposing a structure given the following data. Thank you in advance.
Need help proposing a structure given the following data. Thank you in advance. 22. Propose a...
Need help proposing a structure given the following data. thank you. 16. A compound with the formula C H10O shows only six signals in its "C-NMR spectrum. The 'H- NMR spectrum is tabulated below. 1.98 ppm (1H singlet) 2.82 ppm (2H triplet) 3.80 ppm (2H triplet) 7.22 ppm (5H broad multiplet)
Need help proposing a structure given the following data. Thank you. 21. Propose a structure for a compound that had the formula C H100 and shows the 'H NMR spectrum tabulated below. 1.20 ppm (6H doublet) 3.30 ppm (3 H singlet) 3.55 ppm (1H septet)
Need help proposing a structure given the following data. Thank you 19. A compound with the formula CoH140 shows a strong broad IR signal near 3300 cm'! The 'H NMR spectrum is tabulated below. 1.44 ppm (9H singlet) 4.97 ppm (1H broad singlet) 6.90 ppm (2H doublet) 7.32 ppm (2H doublet)
Need help proposing a structure given the following data. Thank you. 24. M = 122, IR peaks near 1500, 1600 and a strong broad peak near 3350 cm! The carbon-13 NMR shows six lines. The 'H NMR spectrum is tabulated below. 7.15 ppm (5H multiplet) 3.75 ppm (2H triplet) 2.75 ppm (2H triplet)
Need help proposing a structure given the following data. thank you. 13. A compound with the formula C.H12O2 has strong IR signals near 2900 and 1740 cm! The 'H- NMR spectrum is tabulated below. 1.12 ppm (3H triplet) 1.25 ppm (6H doublet) 2.27 ppm (24 quartet) 5.02 ppm (1H septet)
Need help proposing a structure given the following data. 23. The mass spectrum shows M = 72, IR shows a strong peak near 1720 cm! C-NMR shows four lines. The proton NMR is tabulated below. 2.4 ppm (2H quartet) 2.1 ppm (3H singlet) 1.1 ppm (3H triplet)
Need help proposing a structure given the following data. Thank you. 20. A compound with the formula C5H100 exhibits the following C NMR signals Broadband decoupled: 207, 45, 28, 16, and 12 ppm DEPT-90: no signals DEPT-135: positive signals at 28 and 12 ppm, negative signals at 45 and 16 ppm.
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...
21. Propose a structure for compound HALLOWEEN with a formula CsH1002 with the following 'H NMR spectrum and IR spectrum. NAVENTER Area Chem Shift Splitting singlet multiplet multiplet doublet triplet Ppm
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....