a)  Using the molecular formula shown, calculate the elements of unsaturation for this compound. Suggest a common structure that gives rise to this number of elements of unsaturation. b)  Make a table of the chemical shift, multiplicity and number of hydrogens for each 1H-NMR signal. c)  Propose a structure consistent with the data and assign each proton in your structure to a signal in the NMR spectrum.

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a)  Using the molecular formula shown, calculate the elements of unsaturation for

this compound. Suggest a common structure that gives rise to this number of

elements of unsaturation.

b)  Make a table of the chemical shift, multiplicity and number of hydrogens for each

1H-NMR signal.

c)  Propose a structure consistent with the data and assign each proton in your structure to a signal in the NMR spectrum.

Proton NMR
C;H140
3.5
3.0
2.5
2.0
1.5
1.0 ppm
Integration Values 10.8
65.7
Transcribed Image Text:Proton NMR C;H140 3.5 3.0 2.5 2.0 1.5 1.0 ppm Integration Values 10.8 65.7
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