Heteroleptic platinum(II) and palladium(II) complexes with thiacrown and diimine ligands
作者:Gregory J. Grant、Natalie N. Talbott、Marko Bajic、Larry F. Mehne、Thomas J. Holcombe、Donald G. VanDerveer
DOI:10.1016/j.poly.2011.08.030
日期:2012.1
and spectroscopic properties of related Pd(II) 9S3 complex with tap. The 195Pt NMR chemical shifts for the six Pt(II) complexes show a value near −3290 ppm, consistent with a cis-PtS2N2 coordination sphere although more electron-withdrawing ligands such as tap show resonances shifted by almost 100 ppm downfield. The physicochemical properties of the complexes generally follow the electron-donating or
摘要我们希望报道几种新的Pt(II)杂配物的合成,晶体结构,光谱学和电化学性质,这些杂合物包含具有一系列取代的菲咯啉配体的9S3(1,4,7-三硫代环壬烷)和相关的二亚胺体系。这五个配体是5,6-二甲基-1,10-菲咯啉(5,6-Me2-phen),4,7-二甲基-1,10-菲咯啉(4,7-Me2-phen),4,7-联苯-1,10-菲咯啉(4,7-Ph2-phen),2,2'-联嘧啶(bpm)和吡嗪并[2,3-f]喹喔啉或1,4,5,8-四氮杂菲(TAP) 。所有配合物均具有通式[Pt(9S3)(N2)](PF6)2(N2 =二亚胺配体),并形成相似的结构,其中Pt(II)中心被两个N供体的顺式排列包围。二亚胺螯合物和9S3配体中的两个硫原子。每个结构中的第三9S3硫与铂形成较长的相互作用,从而形成细长的方形锥体结构,并且该距离对二亚胺配体的身份敏感。此外,我们报告了自来水相关Pd(II