How would you use 'H and 13 C NMR to help you distinguish between these two isomeric structures? OCH3 CH₁ and How could you distinguish between the following isomers by 13C-NMR: a. 1,2-Dimethylbenzene b. 1,3-Dimethylbenzene c. 1,4-Dimethylbenzene. Predict the splitting patterns you would expect for each proton in the molecules below. a. septet c. doublet H ΟΞΥ CH3 b. singlet d. quartet 2 H nswer the questions for each of the compounds whose 'H-NMR spectra are shown below. C4H8O a. Describe each signal in terms of its integration, splitting and chemical shift. b. Propose a structure for this compound.
How would you use 'H and 13 C NMR to help you distinguish between these two isomeric structures? OCH3 CH₁ and How could you distinguish between the following isomers by 13C-NMR: a. 1,2-Dimethylbenzene b. 1,3-Dimethylbenzene c. 1,4-Dimethylbenzene. Predict the splitting patterns you would expect for each proton in the molecules below. a. septet c. doublet H ΟΞΥ CH3 b. singlet d. quartet 2 H nswer the questions for each of the compounds whose 'H-NMR spectra are shown below. C4H8O a. Describe each signal in terms of its integration, splitting and chemical shift. b. Propose a structure for this compound.
Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy
Section13.SE: Something Extra
Problem 59GP: The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown. Propose a structure for this...
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Transcribed Image Text:How would you use 'H and 13 C NMR to help you distinguish between these two isomeric structures?
OCH3
CH₁
and
How could you distinguish between the following isomers by 13C-NMR:
a. 1,2-Dimethylbenzene
b. 1,3-Dimethylbenzene
c. 1,4-Dimethylbenzene.
Predict the splitting patterns you would expect for each proton in the molecules below.
a.
septet
c. doublet
H
ΟΞΥ
CH3
b. singlet
d. quartet
2
H
nswer the questions for each of the compounds whose 'H-NMR spectra are shown below.
C4H8O
a.
Describe each signal in terms of its integration, splitting and chemical shift.
b. Propose a structure for this compound.
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