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Topic: H NMR characterisation  (Read 2901 times)

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Offline jlao6

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H NMR characterisation
« on: May 02, 2010, 05:38:21 AM »
Can someone help me on how to do this past exam question that i have attached

Thanks
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Offline sjb

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Re: H NMR characterisation
« Reply #1 on: May 03, 2010, 05:18:09 AM »
Well, can you predict the splitting of the aromatic protons? Does Ha couple with Hb? With Hc?
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Offline orgopete

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Re: H NMR characterisation
« Reply #2 on: May 04, 2010, 01:49:42 AM »
I like this problem also. So the couplings are like this, ortho-large, meta-small, para-none. Which hydrogen has a meta coupling? Which only an ortho coupling?
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