Need help proposing a structure given the following data. Thank you.
Need help proposing a structure given the following data. Thank you. 24. M = 122, IR...
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. 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 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. 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. Thank you in advance. 22. Propose a structure for a compound that has the formula CoH14 and shows the 'H NMR spectrum tabulated below. 1.2 ppm (9H singlet) 7.10 ppm (5H multiplet)
Provide the most likely chemical structure that corresponds to each set of spectral data 2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
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...
Propose structures that fit the following formula and NMR data. (a) C3H100 singlet at 2.10 8 (3H) doublet at 0.958 (6H) multiplet at 2.43 8 (1H) (b) C10H14 singlet at 1.30 8 (9 H) singlet (broad) at 7.308 (5H) (c) C9H11Br quintet at 2.15 8 (2H) triplet at 2.758 (2H) triplet at 3.38 8 (2H) singlet at 7.22 8 (51) IR spectrum: strong peak near 1720 cm (d) C18H14 O2 Singlet at 2.20 8 (3H) Singlet at 5.08 8 (1H)...
Provide the most likely chemical structure that corresponds to each set of spectral data (2.5 pts each). Please show your work, though: even if you do not arrive at the correct answer, you can earn partial credit. Formula: C6H12 IR: 2965 cm-1(strong), 3028 cm-1(medium) 1H NMR: 6H, triplet (1.0 ppm); 4H, quintet (1.8 ppm); 2H, triplet (5.4 ppm) 13C NMR: 22 ppm, 39 ppm, 125 ppm Formula: C6H12O IR: 2960 cm-1(strong), 2874 cm-1(medium), 1716 cm-1(strong, sharp) 1H NMR: 2H, doublet...
need to know how to read each(#16,17,18) and determine the structure. Please list out step by step. Unknowns for 1H NMR Final Report 16) Chemical Formula: C.H.O. IR: strong peak 1720cm! 3H 17) Chemical Formulae: CzHs Singlet, 9H 4H, Doublet Triplet Triplet Doublet Triplet, 3H Quartet, 2H 5 PPM 18) Chemical Formula: CH120 IR: Strong broad peak at 3200 cm 5H Зн PPM