Spectroscopy Tidbits - Spectroscopy Tidbits 1 Expansion...

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Spectroscopy Tidbits 1. “ Expansion” This indicates where an NMR signal is enlarged so that splitting patterns can be seen. 2. “Exchanges with D 2 O” This indicates that the proton in question is weakly acidic (alcohol, amine, etc). 3. “Resolves into X peaks at higher field” This means the instrument used was incapable of showing the chemical shift difference between two or more nuclei, but
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Unformatted text preview: a different instrument shows X non-equivalent nuclei. 4. “Solvent” This is a peak or peaks resulting from nuclei on the solvent molecules. Such peaks should be ignored. Reaction Tidbits Only the FINAL product is necessary H 2 SO 4 (Fuming) S O O OH Numbered reactions indicate Separate Steps 1) HBr 2) NaOH 3) LAH 4) H 3 O + O...
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  • Fall '09
  • MS
  • final product, Proton NMR, Spectroscopy Tidbits, nonequivalent nuclei

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