Homework Answers
Summery: due to Electronegective atom F present on adjecent to hyderogen get more Deshielded. Which is Factors Affecting on chemical shift values in NMR spectrum.
Determine the structure of the following given the spectrum and molecular formula CzH02 11 10 9...
Determine the structure of the following given the spectrum
and molecular formula
CzH02 11 10 9 8 7 6 HSP-03-871 ppm C,H1202 TTTTTTT 11 10 9 8 7 5 2 1 . HSP-03-401 ppm C.H. 11 10 9 8 7 6 5 3 2 10 HSP-00-525 ppm H C HO 12 11 10 9 8 7 4 3 2 1 0 - 1 6 5 ppm HSP-02-753
NMR Day 1 4) C,H,0 HOP-04-01 12 11 10 9 ppm (signal at -2.2ppm is considered...
NMR Day 1 4) C,H,0 HOP-04-01 12 11 10 9 ppm (signal at -2.2ppm is considered a triplet; -1.5ppm is considered a multiplet) NMR Day 1 5) CsH100 NMR Day 1 6) C4H30 11 10 9 8 7 6 5 4 3 2 1 HSP-03-535 ppm
Draw the final structure Compound 9 CsH 0 2H 3H 11 10 9 8 7 6...
Draw the final structure
Compound 9 CsH 0 2H 3H 11 10 9 8 7 6 5 4 3 2 1 HSP-00-828 ppm 60 40 20 0 100 80 140 180 120 200 160 om
Problem 2 000 8 Mass Som 8 8 8 2 CH, SN 50 120 160 200 240 280 C NMR Spectrum MCDO, DEPT OK out ont protondeco 200 1...
Problem 2 000 8 Mass Som 8 8 8 2 CH, SN 50 120 160 200 240 280 C NMR Spectrum MCDO, DEPT OK out ont protondeco 200 160 120 80 40 08 (ppm) change "H NMR Spectrum (200 MG, COO, 0,0 10 9 8 7 6 5 4 3 2 1 (ppm)
pls help ORGO lab question 11 - 10 9 8 7 6 - 5 4 3...
pls
help ORGO lab question
11 - 10 9 8 7 6 - 5 4 3 - 2 1 HSP-00-654 ppm Showth 5. Paste the 'H-NMR spectrum you recorded for Ethylacetoacetate below and answer the questions below: Louie ame from previouS CARS 0 0 H3C-C-CH2-C-O-CH2-CH3 Ethylacetoacetate (a) Identify number of different protons (mark them as a, b, c, ....) and label the peaks with a, b, c, ....on both the structure and spectrum. (b) Measure the height (in cm) of...
Data Interpretation - 'H NMR > 14 12 10 8 6 4 2 0 HSP-49-414 ppm...
Data Interpretation - 'H NMR > 14 12 10 8 6 4 2 0 HSP-49-414 ppm What types of compounds do peaks at 7.6 - 8.7 correspond to? O Alcohols O Aldehydes O Aromatics O Carboxylic acids The peaks at 7.6 - 8.7 are a triplet and two doublets, which altogether integrate to 4 protons. What does this suggest about the structure of the molecule? O No structural information can be determined from this. The presence of a mono-substituted phenyl...
assign peaks for the epoxide 2019-06-25 aromatic 10 ppm 9 8 7 6 5 ppm 4...
assign peaks for the epoxide
2019-06-25 aromatic 10 ppm 9 8 7 6 5 ppm 4 3 2 O ppm
NMR Day 1 7) C6H14. Chemical Shifts Observed: 1.22 ppm Quartet 0.855 ppm Singlet (very intense)...
NMR Day 1 7) C6H14. Chemical Shifts Observed: 1.22 ppm Quartet 0.855 ppm Singlet (very intense) 0.84 ppm Triplet NMR Day 1 8) CHg 10 9 8 7 6 4 3 2 1 5 ppm HSP-00-541 (signal at 7ppm is often referred to as a Multiplet)
G: CH, NO Hz ppm 650.31 7.262 858 645.88 7.212 46 392.56 4.384 230 386.81 4.320...
G: CH, NO Hz ppm 650.31 7.262 858 645.88 7.212 46 392.56 4.384 230 386.81 4.320 218 174.25 1.946 1000 m, 5H s, 3H d, 2H s, 1H 11 10 9 8 7 6 5 4 3 2 1 0 HSP-01-452 ppm de ppm Int. 170.46 200 138.53 319 128.42 919 127.52 1000 127.12 551 43.38 546 22.75 497 200.30 100 10 127 1303250 10200 G: C3H11NO Structure and Assignment (Calculations of J values must be included)
NMR Day 2 Version 2 6) CH.02 :50 richt aclaped Ihlamultiplet 12 10 8 6 HSP-01-671...
NMR Day 2 Version 2 6) CH.02 :50 richt aclaped Ihlamultiplet 12 10 8 6 HSP-01-671 ppm (signal at -8.12ppm is a doublet; signals at -7.5-79ppm are a -triplet overlapped with a multiplet, respectively)
Determine the structure of the following given the spectrum
and molecular formula
CzH02 11 10 9 8 7 6 HSP-03-871 ppm C,H1202 TTTTTTT 11 10 9 8 7 5 2 1 . HSP-03-401 ppm C.H. 11 10 9 8 7 6 5 3 2 10 HSP-00-525 ppm H C HO 12 11 10 9 8 7 4 3 2 1 0 - 1 6 5 ppm HSP-02-753
NMR Day 1 4) C,H,0 HOP-04-01 12 11 10 9 ppm (signal at -2.2ppm is considered a triplet; -1.5ppm is considered a multiplet) NMR Day 1 5) CsH100 NMR Day 1 6) C4H30 11 10 9 8 7 6 5 4 3 2 1 HSP-03-535 ppm
Draw the final structure
Compound 9 CsH 0 2H 3H 11 10 9 8 7 6 5 4 3 2 1 HSP-00-828 ppm 60 40 20 0 100 80 140 180 120 200 160 om
Problem 2 000 8 Mass Som 8 8 8 2 CH, SN 50 120 160 200 240 280 C NMR Spectrum MCDO, DEPT OK out ont protondeco 200 160 120 80 40 08 (ppm) change "H NMR Spectrum (200 MG, COO, 0,0 10 9 8 7 6 5 4 3 2 1 (ppm)
pls
help ORGO lab question
11 - 10 9 8 7 6 - 5 4 3 - 2 1 HSP-00-654 ppm Showth 5. Paste the 'H-NMR spectrum you recorded for Ethylacetoacetate below and answer the questions below: Louie ame from previouS CARS 0 0 H3C-C-CH2-C-O-CH2-CH3 Ethylacetoacetate (a) Identify number of different protons (mark them as a, b, c, ....) and label the peaks with a, b, c, ....on both the structure and spectrum. (b) Measure the height (in cm) of...
Data Interpretation - 'H NMR > 14 12 10 8 6 4 2 0 HSP-49-414 ppm What types of compounds do peaks at 7.6 - 8.7 correspond to? O Alcohols O Aldehydes O Aromatics O Carboxylic acids The peaks at 7.6 - 8.7 are a triplet and two doublets, which altogether integrate to 4 protons. What does this suggest about the structure of the molecule? O No structural information can be determined from this. The presence of a mono-substituted phenyl...
assign peaks for the epoxide
2019-06-25 aromatic 10 ppm 9 8 7 6 5 ppm 4 3 2 O ppm
NMR Day 1 7) C6H14. Chemical Shifts Observed: 1.22 ppm Quartet 0.855 ppm Singlet (very intense) 0.84 ppm Triplet NMR Day 1 8) CHg 10 9 8 7 6 4 3 2 1 5 ppm HSP-00-541 (signal at 7ppm is often referred to as a Multiplet)
G: CH, NO Hz ppm 650.31 7.262 858 645.88 7.212 46 392.56 4.384 230 386.81 4.320 218 174.25 1.946 1000 m, 5H s, 3H d, 2H s, 1H 11 10 9 8 7 6 5 4 3 2 1 0 HSP-01-452 ppm de ppm Int. 170.46 200 138.53 319 128.42 919 127.52 1000 127.12 551 43.38 546 22.75 497 200.30 100 10 127 1303250 10200 G: C3H11NO Structure and Assignment (Calculations of J values must be included)
NMR Day 2 Version 2 6) CH.02 :50 richt aclaped Ihlamultiplet 12 10 8 6 HSP-01-671 ppm (signal at -8.12ppm is a doublet; signals at -7.5-79ppm are a -triplet overlapped with a multiplet, respectively)
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