a) How may a NOE experiment be used to confirm that the alkenyl proton in the following structure (Ha) is where it is and not on the other side of the double bond? You should use the proton labels provided in the structure below to explain yourself adequately. H OH H H He H ньна CH2 CH2N(CH3)2 b) A water signal is overlapping with your sample's signals in the proton NMR spectrum. Explain fully how you would suppress the water's signal so that you may observe the sample's signals. Use notes and diagrams.

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a) How may a NOE experiment be used to confirm that the alkenyl proton in the following
structure (Ha) is where it is and not on the other side of the double bond? You should use the
proton labels provided in the structure below to explain yourself adequately.
H
OH
H
H
He
H
ньна
CH2
CH2N(CH3)2
b) A water signal is overlapping with your sample's signals in the proton NMR spectrum.
Explain fully how you would suppress the water's signal so that you may observe the sample's
signals. Use notes and diagrams.
Transcribed Image Text:a) How may a NOE experiment be used to confirm that the alkenyl proton in the following structure (Ha) is where it is and not on the other side of the double bond? You should use the proton labels provided in the structure below to explain yourself adequately. H OH H H He H ньна CH2 CH2N(CH3)2 b) A water signal is overlapping with your sample's signals in the proton NMR spectrum. Explain fully how you would suppress the water's signal so that you may observe the sample's signals. Use notes and diagrams.
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