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Scheme 4: Compound 10 Compound 9 (h) Compound 11 H: 6.71 Compound 9: MW: 120.15 C:...
I need help with scheme 1 please. Scheme 1: Compound 1 Compound 2 (b) OH (a)...
I need help with scheme 1 please.
Scheme 1: Compound 1 Compound 2 (b) OH (a) + OH Compound 3 Compound 4 Scheme 2: pka increased from 3 (salicylic acid) to 8.5 (Compound 1) H: 607 Laboratory Data: Compound 1: MW: 166.18 C. 65.05 0:28.88 Compound 2: MW: 167.00 C: 28.77 IR: 1739 cm (broad, strong) 'H NMR: H: 423 Br. 47.85 O: 19.15 singlet, 2H quartet, 2H triplet, 3H 2 PPM 13C NMR: 180 160 140 120 100 PPM...
Question 3) Propose a structure consistent with the following spectral data for a compound C&H..0) IR...
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...
Question 3) Propose a structure consistent with the following spectral data for a compound C H..0,...
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, IH) (10 points)
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal...
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. PPM
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...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MF:C,H, 0. 4 pts...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MF:C,H, 0. 4 pts Identify the structure of the unknown compound. MF C7H140 MW 114 $C 73.6 SH 12.4 Mass Spec. D m/ sbund. 27 35 relativ 114 11 Popyright © 1994 1.0 PPM 3.0 Proton NMA TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 200 180 160 140 Carbon 13 NMR T 120 TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 100 80 60 40 20 PPM O en og and 8. Consider the IR, 'H-NMR and C-NMR spectra of 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. 16. A compound with the...
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)
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and...
Molecule C:
Molecule D:
Can someone PLEASE EXPLAIN the answers??????
2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
I need help with scheme 1 please.
Scheme 1: Compound 1 Compound 2 (b) OH (a) + OH Compound 3 Compound 4 Scheme 2: pka increased from 3 (salicylic acid) to 8.5 (Compound 1) H: 607 Laboratory Data: Compound 1: MW: 166.18 C. 65.05 0:28.88 Compound 2: MW: 167.00 C: 28.77 IR: 1739 cm (broad, strong) 'H NMR: H: 423 Br. 47.85 O: 19.15 singlet, 2H quartet, 2H triplet, 3H 2 PPM 13C NMR: 180 160 140 120 100 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...
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, IH) (10 points)
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. 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...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MF:C,H, 0. 4 pts Identify the structure of the unknown compound. MF C7H140 MW 114 $C 73.6 SH 12.4 Mass Spec. D m/ sbund. 27 35 relativ 114 11 Popyright © 1994 1.0 PPM 3.0 Proton NMA TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 200 180 160 140 Carbon 13 NMR T 120 TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 100 80 60 40 20 PPM O en og and 8. Consider the IR, 'H-NMR and C-NMR spectra of 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.
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)
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
Molecule C:
Molecule D:
Can someone PLEASE EXPLAIN the answers??????
2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
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