作者:Christian Sarcher、Saeid Farsadpour、Leila Taghizadeh Ghoochany、Yu Sun、Werner R. Thiel、Peter W. Roesky
DOI:10.1039/c3dt52893f
日期:——
Gold(I) complexes ligated by phosphines with N-heterocycles in the periphery were prepared. First the synthesis of the ligands N-(diphenylphosphino)-4-(pyridin-2-yl)pyrimidin-2-amine (Hpypya) and N-(diphenylphosphino)-4-phenylpyrimidin-2-amine (Hphpya) are reported. These two compounds together with the related but earlier published ligands 3-(2-(diphenylphosphino)phenyl)-1H-pyrazole (Hph3py) and 5-(4-(diphenylphosphino)phenyl)-1H-pyrazole (Hph5py) were reacted with [(tht)AuCl] and [Au(tht)2]ClO4 to give the heteroleptic complexes [(L)AuCl] and the homoleptic compounds [(L)2Au]ClO4 (L = Hpypya, Hphpya, Hph3py, and Hph5py). Single crystal X-ray diffraction studies revealed that the heteroleptic complexes form hydrogen bonds between two N-heterocycles of neighboring complexes resulting in dimeric structures. The homoleptic complexes show a different behavior.
合成了由磷配体与外围N-杂环配位的金(I)复合物。首先报告了配体N-(二苯基膦)-4-(吡啶-2-基)嘧啶-2-胺(Hpypya)和N-(二苯基膦)-4-苯基嘧啶-2-胺(Hphpya)的合成。这两种化合物与相关的、但是早期已发表的配体3-(2-(二苯基膦)苯基)-1H-吡唑(Hph3py)和5-(4-(二苯基膦)苯基)-1H-吡唑(Hph5py)反应,得到异配位复合物[(L)AuCl]和同配位化合物[(L)2Au]ClO4(其中L = Hpypya, Hphpya, Hph3py, Hph5py)。单晶X射线衍射研究表明,异配位复合物在相邻配合物的两个N-杂环之间形成氢键,导致二聚体结构。相比之下,同配位化合物表现出不同的行为。