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Abstract <p>The coupled reaction of various dialkyl phosphites with hexamethyldisilazane in the presence of ZnCl<sub>2</sub> at 20°C afforded the corresponding dialkyl trimethylsilyl phosphites in high yields (87–92%). The reaction is complete in 0.5 h, and it requires no specially prepared solvent or inert atmosphere. The initial dialkyl phosphites were synthesized by transesterification of dimethyl phosphite with alcohols in the presence of 0.5 mol % ZnSO<sub>4</sub> at 110–120°C.</p>

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New Synthesis of Dialkyl Trimethylsilyl Phosphites

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • V. P. Morgalyuk,
  • T. V. Strelkova,
  • R. U. Takazova,
  • A. G. Buyanovskaya,
  • V. K. Brel

摘要

Abstract

The coupled reaction of various dialkyl phosphites with hexamethyldisilazane in the presence of ZnCl2 at 20°C afforded the corresponding dialkyl trimethylsilyl phosphites in high yields (87–92%). The reaction is complete in 0.5 h, and it requires no specially prepared solvent or inert atmosphere. The initial dialkyl phosphites were synthesized by transesterification of dimethyl phosphite with alcohols in the presence of 0.5 mol % ZnSO4 at 110–120°C.