A Simple Determination Method of the Absolute Configuration of 1-Arylethanthiols by an Intramolecular CH/.PI. Shielding Effect in 1H-NMR of Diastereomeric Thiol Esters.

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  • Matsugi Masato
    Department of Materials Chemistry & Frontier Research Center, Graduate School of Engineering, Osaka University
  • Hagimoto Yuri
    Graduate School of Pharmaceutical Sciences, Osaka University
  • Itoh Kinuyo
    Department of Materials Chemistry & Frontier Research Center, Graduate School of Engineering, Osaka University
  • Nojima Masatomo
    Department of Materials Chemistry & Frontier Research Center, Graduate School of Engineering, Osaka University
  • Kita Yasuyuki
    Graduate School of Pharmaceutical Sciences, Osaka University

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  • A Simple Determination Method of the Absolute Configuration of 1-Arylethanthiols by an Intramolecular CH/π Shielding Effect in 1H-NMR of Diastereomeric Thiol Esters
  • Simple Determination Method of the Absolute Configuration of 1 Arylethanthiols by an Intramolecular CH パイ Shielding Effect in 1H NMR of Diastereomeric Thiol Esters

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Abstract

A simple method for the determination of the absolute configuration of 1-arylethanthiols was achieved by the observation of an intramolecular CH/π shielding effect in 1H-NMR of the corresponding thiol esters. (S)-Isomer of the diastereomers always shows remarkable shielding effect.

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