Synthesis and properties of 2- or 2,5-substituted thiophene and 2- or 2,5′-substituted dithiophene derivatives of platinum
作者:S. Kotani、K. Shiina、K. Sonogashira
DOI:10.1016/0022-328x(92)83188-n
日期:1992.5
5′-C4H2S-C4H2S)Pt(PBu3)2Cl] (5), respectively. Treatment of 2 with 2-thienyllithium in THF gives trans,trans-[(2-C4H3S)PBu3)2Pt(μ-2,5-C4H2S)Pt(PBu3)2(2-C4H3S)] (3). The di-2-thienyl and bis-2-dithienyl complexes, [M(2-C4H3S)2(PBu3)2] (6) and [M5-(2′-C4H3S)-2-C4H2S}2(PBu3)2] M = Pt (7a), Pd (7b), Ni (7c)}, have also been prepared by treatment of [M(PBu3)2X2] (X Cl or Br) with 2-thienyllithium and 5-(2′-th
[PtCl 2(COD)](COD =环辛-1,5-二烯)与2,5-双(三甲基锡烷基)噻吩或与2,5'-双(三甲基锡烷基)-5-(2'-噻吩基)的反应基)噻吩给出二铂络合物与桥接2,5-噻吩或2,5'-二(-5,2'-噻吩),[氯(COD)的Pt(μ-2,5--C 4 H ^ 2 S)的Pt(COD )CL](1)和[氯(COD)的Pt(μ-2,5'--C 4 H ^ 2 S-c ^ 4 ħ 2 S)的Pt(COD)CL](4)。上与三正丁基膦处理这些得到相应的三丁基膦的衍生物,反,反- [氯(PBU 3)2铂(μ-2,5--C 4 H ^ 2 S)的Pt(PBU3)2 CL](2)和反式,反- [氯(PBU 3)2铂(μ-2,5'--C 4 H ^ 2 S-c ^ 4 ħ 2 S)的Pt(PBU 3)2 CL](5) , 分别。的治疗2与THF中的2-噻吩基给出反,反- [(2-C 4 H