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Abstract <p>In the presence of conformational preference, the <i>R</i>(H)P–P(H)<i>R</i> diphosphanes show a unique correspondence between the isomeric/conformational structure and the <sup>1</sup><i>J</i><sub>PP</sub>/<sup>3</sup><i>J</i><sub>HH</sub> NMR spin-spin coupling constants (SSCCs). A joint analysis of SSCC values solves a problem with two unknowns: conformational and isomeric structures of such systems. The applicability of the approach to specific problems is demonstrated.</p>

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NMR in the Structural Analysis of R(H)P–P(H)R Diphosphanes: Possibilities and Limitations

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • S. A. Kondrashova,
  • S. K. Latypov

摘要

Abstract

In the presence of conformational preference, the R(H)P–P(H)R diphosphanes show a unique correspondence between the isomeric/conformational structure and the 1JPP/3JHH NMR spin-spin coupling constants (SSCCs). A joint analysis of SSCC values solves a problem with two unknowns: conformational and isomeric structures of such systems. The applicability of the approach to specific problems is demonstrated.