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Abstract <p>Treatment of hydroquinone and Ph<sub>2</sub>P(O)Cl in the presence of triethylamine as HCl scavenger afforded a diphosphoryl ligand 1,4-[Ph<sub>2</sub>P(O)O]<sub>2</sub>C<sub>6</sub>H<sub>4</sub> (<b>L</b>). Treatment of <b>L</b> with calcium chloride in mixed THF/H<sub>2</sub>O solution led to isolation of a 1D chain-like alkaline earth metal calcium polymeric complex [Ph<sub>2</sub>P(O)OCaCl(H<sub>2</sub>O)<sub>4</sub>]<sub>n</sub> (<b>1</b>). Complex <b>1</b> was characterized by IR, UV-Vis spectroscopies and single crystal X-ray diffraction. In the molecular structure of complex <b>1</b>, the Ca centers are joined by the Ph<sub>2</sub>P(O)O<sup>−</sup> fragment hydrolyzed from <b>L</b> as well as the non-coordinating water molecules. Covalent bonds make contribution to interconnect the molecules and intermolecular hydrogen bonds further stabilize the structure, thus forming a 1D chain polymer.</p> Graphical Abstract <p></p>

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Synthesis and Structural Characterization of a 1D Chain-Like Calcium-Diphenylphosphinate Polymer Slightly Soluble in Dichloromethane

  • 期刊论文

  • 发表日期：

    2026年1月7日

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  • Chong Chen,
  • Qing-Wen Liang,
  • Tian-Tian Sun,
  • Ai-Quan Jia,
  • Qian-Feng Zhang

摘要

Abstract

Treatment of hydroquinone and Ph2P(O)Cl in the presence of triethylamine as HCl scavenger afforded a diphosphoryl ligand 1,4-[Ph2P(O)O]2C6H4 (L). Treatment of L with calcium chloride in mixed THF/H2O solution led to isolation of a 1D chain-like alkaline earth metal calcium polymeric complex [Ph2P(O)OCaCl(H2O)4]n (1). Complex 1 was characterized by IR, UV-Vis spectroscopies and single crystal X-ray diffraction. In the molecular structure of complex 1, the Ca centers are joined by the Ph2P(O)O− fragment hydrolyzed from L as well as the non-coordinating water molecules. Covalent bonds make contribution to interconnect the molecules and intermolecular hydrogen bonds further stabilize the structure, thus forming a 1D chain polymer.

Graphical Abstract