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February 14, 2026Chemical and Pharmaceutical BulletinOpen Access

Mild and Efficient Preparation of Arylphosphonium and Arylammonium Salts under Aqueous Conditions at Room Temperature Using Pseudocyclic Arylbenziodoxaboroles as Aryne Precursors

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Authors

AYAkira YoshimuraKZKristina M. ZverevaGFGunnar B. Frahm

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Overview

Research demonstrates the efficient synthesis of quaternary salts in aqueous conditions, suggesting practical applications in organic chemistry.

Key Points

  • The aim is to develop a method for synthesizing arylphosphonium and arylammonium salts using unique aryne precursors.
  • Utilized pseudocyclic arylbenziodoxaboroles as aryne precursors.
  • Conducted reactions under neutral aqueous conditions at room temperature.
  • Reactions involved tertiary organic phosphines or amines.
  • Produced aryl-substituted quaternary phosphonium and ammonium salts in high yields.
  • Extended method to synthesize tetraarylarsonium and tetraarylstibonium salts.

Cite This Study

Yoshimura et al. (2026) studied this question.

synapsesocial.com/papers/699010382ccff479cfe56c18https://doi.org/10.1248/cpb.c25-00746
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