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Abstract <p>The reaction of bis(2-pyridyl)-<i>t</i>-butylphosphine (<b>L</b>) with [Cu(MeCN)<sub>4</sub>]BF<sub>4</sub> in MeCN or CH<sub>2</sub>Cl<sub>2</sub> results in the formation of dinuclear complexes [Cu<sub>2</sub>L<sub>2</sub>](BF<sub>4</sub>)<sub>2</sub> (<b>1</b>) and [Cu<sub>2</sub>L<sub>2</sub>(MeCN)<sub>2</sub>](BF<sub>4</sub>)<sub>2</sub> (<b>2</b>), respectively. In the both complexes, the ligands L act as P,N,N’-bridging ones, holding two Cu atoms in a head-to-tail manner. In the [Cu<sub>2</sub>L<sub>2</sub>]<sup>2+</sup> cations of <b>1</b>, the Cu⋯Cu contact of 2.756&#xa0;Å is observed, while the similar distances in two independent cations of <b>2</b> are 3.145-3.257&#xa0;Å. </p>

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Copper(I) Tetrafluoroborate Complexes with bis(2-pyridyl)-t-Butylphosphine

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • A. Yu. Baranov,
  • I. Yu. Bagryanskaya,
  • A. V. Artem’ev

摘要

Abstract

The reaction of bis(2-pyridyl)-t-butylphosphine (L) with [Cu(MeCN)4]BF4 in MeCN or CH2Cl2 results in the formation of dinuclear complexes [Cu2L2](BF4)2 (1) and [Cu2L2(MeCN)2](BF4)2 (2), respectively. In the both complexes, the ligands L act as P,N,N’-bridging ones, holding two Cu atoms in a head-to-tail manner. In the [Cu2L2]2+ cations of 1, the Cu⋯Cu contact of 2.756 Å is observed, while the similar distances in two independent cations of 2 are 3.145-3.257 Å.