Need help proposing a structure given the following data. thank you.
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Need help proposing a structure given the following
data. thank you.
16. A compound with the...
Need help proposing a structure given the following data. Thank you 19. A compound with the...
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...
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 in advance. 22. Propose a...
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)
Need help proposing a structure given the following data. thank you. 13. A compound with the...
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. 21. Propose a structure for...
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. 23. The mass spectrum shows M =...
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)
2. Use the 'H NMR and IR data to determine the structure of the following compounds...
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...
Need help proposing a structure given the following data. Thank you. 20. A compound with the...
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.
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H...
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H,N). Compound Y, upon reduction with H over a Ni catalyst, yields compound Z (C,HIN. The 'H NMR spectrum of X gives two signals, a multiplet at δ = 7.3 ppm (5H) and a singlet at δ 4.25 ppm (2H). The 'H NMR spectrum of Y is similar to that of X in that it shows a multiplet at ö-7.3 ppm (5H) and a singlet...
Propose structures that fit the following formula and NMR data. (a) C3H100 singlet at 2.10 8...
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)...
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 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)
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.
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.
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)
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...
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.
Problem #23: When compound X (C,H,Br) is reacted with sodium cyanide (NaCN) forms compound Y (C,H,N). Compound Y, upon reduction with H over a Ni catalyst, yields compound Z (C,HIN. The 'H NMR spectrum of X gives two signals, a multiplet at δ = 7.3 ppm (5H) and a singlet at δ 4.25 ppm (2H). The 'H NMR spectrum of Y is similar to that of X in that it shows a multiplet at ö-7.3 ppm (5H) and a singlet...
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)...
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