Predicting n 1 spectra
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Predicting n+1 Spectra. Same Material, Two Skills. Predicting proton spectra: given a structure, what will the proton NMR look like? Useful in synthesis of known target A little more straightforward Interpreting proton spectra: given a spectrum, what is the structure of compound

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Predicting n+1 Spectra

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Predicting n 1 spectra

Predicting n+1 Spectra


Same material two skills

Same Material, Two Skills

  • Predicting proton spectra: given a structure, what will the proton NMR look like?

    • Useful in synthesis of known target

    • A little more straightforward

  • Interpreting proton spectra: given a spectrum, what is the structure of compound

    • Identify an unknown; side products in synthesis

    • More experience needed


Predicting spectra

Predicting Spectra

  • Step 1: Identify number of signals


Predicting spectra1

Predicting Spectra

  • Step 2: Table of data


Predicting spectra2

Predicting Spectra

  • Step 3: Draw spectrum


Practice

Practice

  • Make problems for yourself: ChemDraw

  • Don’t do chiral compounds


Predicting n 1 spectra

6H, d

5H, multiplet

2H, doublet

1H, multiplet


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