4.7 Article

Measurements of Heavy-Atom Isotope Effects Using 1H NMR Spectroscopy

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 76, Issue 19, Pages 8033-8035

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo201226g

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Funding

  1. Ministry of Science and Higher Education of Poland [NN204/1579/33]
  2. [DS/I18/10/2010]
  3. [DS/I19/7/2011]

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A novel method for measuring heavy-atom KIEs for magnetically active isotopes using H-1 NMR is presented. It takes advantage of the resonance split of the protons coupled with the heavy atom in the H-1 spectrum. The method is validated by the example of the C-13-KIE on the hydroamination of styrene with aniline, catalyzed by phosphine-ligated palladium triflates.

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