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Metal-arene interactions in dialkylbiarylphosphane complexes of copper, silver, gold

机译:铜,银,金的二烷基联芳基膦配合物中的金属-芳烃相互作用

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摘要

Dialkylbiphenylphosphane-Au~1 complexes exhibit only weak metalarene interactions with the covering arene ring. However, the contacts in isoleptic Ag~1 and Cu~1 complexes are shorter than the limiting values of 3.03 ? (Ag~1) and 2.83 ? (Cu ~1). Strong metal-arene interactions were also found in the two Ag~1 aquo complexes and in two acetonitrile-Cu~1 complexes with dialkylbiphenylphosphane ligands. Arene-Ag~1 complexes with these bulky phosphane ligands show the strongest Ag~1-arene bonds known.
机译:二烷基联苯膦-Au〜1配合物与覆盖的芳烃环仅表现出较弱的金属芳烃相互作用。但是,等价的Ag〜1和Cu〜1配合物中的接触要短于极限值3.03?。 (Ag〜1)和2.83? (铜〜1)。在两个Ag-1水溶液络合物和两个带有二烷基联苯膦配体的乙腈-Cu-1络合物中也发现了强烈的金属-芳烃相互作用。具有这些庞大的膦配体的Arene-Ag〜1配合物显示出已知的最强的Ag〜1-arene键。

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