Quantification of the Interaction of SmI2 with Substrates and Ligands

Suranjan De, Hugo E. Gottlieb, Shmaryahu Hoz

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The method developed and introduced here enables for the first time (to the authors’ knowledge), a quantitative assessment of the interaction of SmI2 with substrates prior to the electron transfer stage. As a proof of concept, equilibrium constants for some model substrates including carbonyl compounds and aromatic nuclei are reported here. In addition, the first equilibrium constants with some common ligands were also determined. The equilibrium constants range from approximately 0.07 m−1 for diisopropyl ketone to 2500 m−1 for hexamethylphosphoramide (HMPA). It is shown that the data acquired by this method, which is based on the concept of shift reagents, can shed light on the most intimate details of the reaction mechanism, and this method is a useful tool for planning a synthetic process.

Original languageEnglish
Pages (from-to)6846-6850
Number of pages5
JournalChemistry - A European Journal
Issue number30
StatePublished - 26 May 2020

Bibliographical note

Publisher Copyright:
© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim


  • NMR spectroscopy
  • electron transfer
  • equilibrium constants
  • samarium
  • shift reagents


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