Synthesis of [SSSS]-type bis(thiophenol) ligand based on a <i>trans</i>-cyclooctane-1,2-diyl(thio) platform and an unexpected reaction with platinum complexes to produce sulfide-bis(thiolato) Pt<sup>II</sup> complex
作者:Hiroki Mikami、Eriko Toyoda、Norio Nakata、Akihiko Ishii
DOI:10.1080/17415993.2013.781605
日期:2013.12.1
trans-cyclooctane-1,2-diyl(thio) platform was prepared by the reaction of trans-cyclooctane-1,2-dithiol with 2 mol equiv. of 3,5-di-tert-butyl-2- (2-cyanoethylthio)benzyl bromide followed by deprotection. The reactions of the [SSSS]-type ligand with [Pt(nb)(PPh3)2] (nb=norbornene) or [PtCl2(PPh3)2] complexes produced unexpectedly a [sulfide-bis(thiolato)]-PPh3 PtII complex accompanying loss of one of
通过反式-环辛烷-1,2-二硫醇与2 mol当量的反应,制备了一种基于反式-环辛烷-1,2-二基(硫代)平台的新型[SSSS]型双(苯硫酚)配体。3,5-二叔丁基-2-(2-氰基乙硫基)苄基溴,然后去保护。[SSSS] 型配体与 [Pt(nb)(PPh3)2] (nb=降冰片烯) 或 [PtCl2(PPh3)2] 复合物的反应出人意料地产生了 [硫化物-双(硫醇基)]-PPh3 PtII 复合物伴随着 2-硫烷基苄基之一的丢失。PtII 复合物的结构由 X 射线晶体学确定。讨论了 PtII 复合物的物理性质和形成机制。图形概要